Home / 116,114.60-160,251.36-65,140.94

Finding the Fourth Proportional to 116,114.60, 160,251.36 and 65,140.94

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Solution

The fourth proportional to 116,114.60, 160,251.36 and 65,140.94 is: 89,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,114.60 : 160,251.36 = 65,140.94 : x
  2. Step 2: Convert to fraction form
    116,114.60/160,251.36 = 65,140.94/x
  3. Step 3: Cross multiply
    116,114.60x = 160,251.36 × 65,140.94
  4. Step 4: Simplify right side
    116,114.60x = 10,438,924,226.68
  5. Step 5: Solve for x
    x = 10,438,924,226.68/116,114.60
  6. Step 6: Final answer
    x = 89,901.91

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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.