Home / 116,126.15-160,068.87-87,402.62

Finding the Fourth Proportional to 116,126.15, 160,068.87 and 87,402.62

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Solution

The fourth proportional to 116,126.15, 160,068.87 and 87,402.62 is: 120,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,126.15 : 160,068.87 = 87,402.62 : x
  2. Step 2: Convert to fraction form
    116,126.15/160,068.87 = 87,402.62/x
  3. Step 3: Cross multiply
    116,126.15x = 160,068.87 × 87,402.62
  4. Step 4: Simplify right side
    116,126.15x = 13,990,437,818.10
  5. Step 5: Solve for x
    x = 13,990,437,818.10/116,126.15
  6. Step 6: Final answer
    x = 120,476.21

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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.