Home / 118,811.40-178,265.10-52,264.20

Finding the Fourth Proportional to 118,811.40, 178,265.10 and 52,264.20

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Solution

The fourth proportional to 118,811.40, 178,265.10 and 52,264.20 is: 78,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.40 : 178,265.10 = 52,264.20 : x
  2. Step 2: Convert to fraction form
    118,811.40/178,265.10 = 52,264.20/x
  3. Step 3: Cross multiply
    118,811.40x = 178,265.10 × 52,264.20
  4. Step 4: Simplify right side
    118,811.40x = 9,316,882,839.42
  5. Step 5: Solve for x
    x = 9,316,882,839.42/118,811.40
  6. Step 6: Final answer
    x = 78,417.41

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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.