Home / 118,840.50-164,001.19-65,124.36

Finding the Fourth Proportional to 118,840.50, 164,001.19 and 65,124.36

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Solution

The fourth proportional to 118,840.50, 164,001.19 and 65,124.36 is: 89,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,840.50 : 164,001.19 = 65,124.36 : x
  2. Step 2: Convert to fraction form
    118,840.50/164,001.19 = 65,124.36/x
  3. Step 3: Cross multiply
    118,840.50x = 164,001.19 × 65,124.36
  4. Step 4: Simplify right side
    118,840.50x = 10,680,472,375.18
  5. Step 5: Solve for x
    x = 10,680,472,375.18/118,840.50
  6. Step 6: Final answer
    x = 89,872.33

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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.