Home / 119,318.15-164,657.57-65,602.70

Finding the Fourth Proportional to 119,318.15, 164,657.57 and 65,602.70

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Solution

The fourth proportional to 119,318.15, 164,657.57 and 65,602.70 is: 90,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,318.15 : 164,657.57 = 65,602.70 : x
  2. Step 2: Convert to fraction form
    119,318.15/164,657.57 = 65,602.70/x
  3. Step 3: Cross multiply
    119,318.15x = 164,657.57 × 65,602.70
  4. Step 4: Simplify right side
    119,318.15x = 10,801,981,167.44
  5. Step 5: Solve for x
    x = 10,801,981,167.44/119,318.15
  6. Step 6: Final answer
    x = 90,530.91

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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.