Home / 157,494.60-217,337.13-89,510.40

Finding the Fourth Proportional to 157,494.60, 217,337.13 and 89,510.40

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Solution

The fourth proportional to 157,494.60, 217,337.13 and 89,510.40 is: 123,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,494.60 : 217,337.13 = 89,510.40 : x
  2. Step 2: Convert to fraction form
    157,494.60/217,337.13 = 89,510.40/x
  3. Step 3: Cross multiply
    157,494.60x = 217,337.13 × 89,510.40
  4. Step 4: Simplify right side
    157,494.60x = 19,453,933,441.15
  5. Step 5: Solve for x
    x = 19,453,933,441.15/157,494.60
  6. Step 6: Final answer
    x = 123,521.27

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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.