Home / 116,423.09-160,635.38-71,084.55

Finding the Fourth Proportional to 116,423.09, 160,635.38 and 71,084.55

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Solution

The fourth proportional to 116,423.09, 160,635.38 and 71,084.55 is: 98,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,423.09 : 160,635.38 = 71,084.55 : x
  2. Step 2: Convert to fraction form
    116,423.09/160,635.38 = 71,084.55/x
  3. Step 3: Cross multiply
    116,423.09x = 160,635.38 × 71,084.55
  4. Step 4: Simplify right side
    116,423.09x = 11,418,693,345.96
  5. Step 5: Solve for x
    x = 11,418,693,345.96/116,423.09
  6. Step 6: Final answer
    x = 98,079.29

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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.