Home / 129,410.19-177,631.83-114,946.83

Finding the Fourth Proportional to 129,410.19, 177,631.83 and 114,946.83

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Solution

The fourth proportional to 129,410.19, 177,631.83 and 114,946.83 is: 157,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,410.19 : 177,631.83 = 114,946.83 : x
  2. Step 2: Convert to fraction form
    129,410.19/177,631.83 = 114,946.83/x
  3. Step 3: Cross multiply
    129,410.19x = 177,631.83 × 114,946.83
  4. Step 4: Simplify right side
    129,410.19x = 20,418,215,765.60
  5. Step 5: Solve for x
    x = 20,418,215,765.60/129,410.19
  6. Step 6: Final answer
    x = 157,779.04

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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.