Home / 140,259.60-193,358.14-86,508.61

Finding the Fourth Proportional to 140,259.60, 193,358.14 and 86,508.61

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Solution

The fourth proportional to 140,259.60, 193,358.14 and 86,508.61 is: 119,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,259.60 : 193,358.14 = 86,508.61 : x
  2. Step 2: Convert to fraction form
    140,259.60/193,358.14 = 86,508.61/x
  3. Step 3: Cross multiply
    140,259.60x = 193,358.14 × 86,508.61
  4. Step 4: Simplify right side
    140,259.60x = 16,727,143,223.92
  5. Step 5: Solve for x
    x = 16,727,143,223.92/140,259.60
  6. Step 6: Final answer
    x = 119,258.46

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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.