Home / 171,073,036.80-256,609,555.20-102,880,627.20

Finding the Fourth Proportional to 171,073,036.80, 256,609,555.20 and 102,880,627.20

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Solution

The fourth proportional to 171,073,036.80, 256,609,555.20 and 102,880,627.20 is: 154,320,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,036.80 : 256,609,555.20 = 102,880,627.20 : x
  2. Step 2: Convert to fraction form
    171,073,036.80/256,609,555.20 = 102,880,627.20/x
  3. Step 3: Cross multiply
    171,073,036.80x = 256,609,555.20 × 102,880,627.20
  4. Step 4: Simplify right side
    171,073,036.80x = 26,400,151,984,489,020
  5. Step 5: Solve for x
    x = 26,400,151,984,489,020/171,073,036.80
  6. Step 6: Final answer
    x = 154,320,940.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.