Home / 118,328.30-177,454.14-39,424.10

Finding the Fourth Proportional to 118,328.30, 177,454.14 and 39,424.10

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Solution

The fourth proportional to 118,328.30, 177,454.14 and 39,424.10 is: 59,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.30 : 177,454.14 = 39,424.10 : x
  2. Step 2: Convert to fraction form
    118,328.30/177,454.14 = 39,424.10/x
  3. Step 3: Cross multiply
    118,328.30x = 177,454.14 × 39,424.10
  4. Step 4: Simplify right side
    118,328.30x = 6,995,969,760.77
  5. Step 5: Solve for x
    x = 6,995,969,760.77/118,328.30
  6. Step 6: Final answer
    x = 59,123.39

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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.