Home / 119,712.54-165,204.42-65,999.46

Finding the Fourth Proportional to 119,712.54, 165,204.42 and 65,999.46

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Solution

The fourth proportional to 119,712.54, 165,204.42 and 65,999.46 is: 91,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,712.54 : 165,204.42 = 65,999.46 : x
  2. Step 2: Convert to fraction form
    119,712.54/165,204.42 = 65,999.46/x
  3. Step 3: Cross multiply
    119,712.54x = 165,204.42 × 65,999.46
  4. Step 4: Simplify right side
    119,712.54x = 10,903,402,509.61
  5. Step 5: Solve for x
    x = 10,903,402,509.61/119,712.54
  6. Step 6: Final answer
    x = 91,079.87

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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.