Home / 157,774.12-217,737.14-86,160.80

Finding the Fourth Proportional to 157,774.12, 217,737.14 and 86,160.80

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Solution

The fourth proportional to 157,774.12, 217,737.14 and 86,160.80 is: 118,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,774.12 : 217,737.14 = 86,160.80 : x
  2. Step 2: Convert to fraction form
    157,774.12/217,737.14 = 86,160.80/x
  3. Step 3: Cross multiply
    157,774.12x = 217,737.14 × 86,160.80
  4. Step 4: Simplify right side
    157,774.12x = 18,760,406,172.11
  5. Step 5: Solve for x
    x = 18,760,406,172.11/157,774.12
  6. Step 6: Final answer
    x = 118,906.74

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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.