Home / 129,377.52-177,587.10-114,914.16

Finding the Fourth Proportional to 129,377.52, 177,587.10 and 114,914.16

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Solution

The fourth proportional to 129,377.52, 177,587.10 and 114,914.16 is: 157,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,377.52 : 177,587.10 = 114,914.16 : x
  2. Step 2: Convert to fraction form
    129,377.52/177,587.10 = 114,914.16/x
  3. Step 3: Cross multiply
    129,377.52x = 177,587.10 × 114,914.16
  4. Step 4: Simplify right side
    129,377.52x = 20,407,272,423.34
  5. Step 5: Solve for x
    x = 20,407,272,423.34/129,377.52
  6. Step 6: Final answer
    x = 157,734.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.