Home / 119,035.06-164,267.92-65,320.97

Finding the Fourth Proportional to 119,035.06, 164,267.92 and 65,320.97

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Solution

The fourth proportional to 119,035.06, 164,267.92 and 65,320.97 is: 90,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,035.06 : 164,267.92 = 65,320.97 : x
  2. Step 2: Convert to fraction form
    119,035.06/164,267.92 = 65,320.97/x
  3. Step 3: Cross multiply
    119,035.06x = 164,267.92 × 65,320.97
  4. Step 4: Simplify right side
    119,035.06x = 10,730,139,691.17
  5. Step 5: Solve for x
    x = 10,730,139,691.17/119,035.06
  6. Step 6: Final answer
    x = 90,142.68

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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.