Home / 150,444.80-207,606.56-86,803.12

Finding the Fourth Proportional to 150,444.80, 207,606.56 and 86,803.12

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Solution

The fourth proportional to 150,444.80, 207,606.56 and 86,803.12 is: 119,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,444.80 : 207,606.56 = 86,803.12 : x
  2. Step 2: Convert to fraction form
    150,444.80/207,606.56 = 86,803.12/x
  3. Step 3: Cross multiply
    150,444.80x = 207,606.56 × 86,803.12
  4. Step 4: Simplify right side
    150,444.80x = 18,020,897,140.47
  5. Step 5: Solve for x
    x = 18,020,897,140.47/150,444.80
  6. Step 6: Final answer
    x = 119,784.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.