Home / 170,687.20-256,030.80-117,543.10

Finding the Fourth Proportional to 170,687.20, 256,030.80 and 117,543.10

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Solution

The fourth proportional to 170,687.20, 256,030.80 and 117,543.10 is: 176,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,687.20 : 256,030.80 = 117,543.10 : x
  2. Step 2: Convert to fraction form
    170,687.20/256,030.80 = 117,543.10/x
  3. Step 3: Cross multiply
    170,687.20x = 256,030.80 × 117,543.10
  4. Step 4: Simplify right side
    170,687.20x = 30,094,653,927.48
  5. Step 5: Solve for x
    x = 30,094,653,927.48/170,687.20
  6. Step 6: Final answer
    x = 176,314.65

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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.