Home / 185,841.36-278,606.40-129,516.24

Finding the Fourth Proportional to 185,841.36, 278,606.40 and 129,516.24

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Solution

The fourth proportional to 185,841.36, 278,606.40 and 129,516.24 is: 194,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.36 : 278,606.40 = 129,516.24 : x
  2. Step 2: Convert to fraction form
    185,841.36/278,606.40 = 129,516.24/x
  3. Step 3: Cross multiply
    185,841.36x = 278,606.40 × 129,516.24
  4. Step 4: Simplify right side
    185,841.36x = 36,084,053,367.94
  5. Step 5: Solve for x
    x = 36,084,053,367.94/185,841.36
  6. Step 6: Final answer
    x = 194,165.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.