Home / 117,564.80-176,390.40-47,451.20

Finding the Fourth Proportional to 117,564.80, 176,390.40 and 47,451.20

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Solution

The fourth proportional to 117,564.80, 176,390.40 and 47,451.20 is: 71,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.80 : 176,390.40 = 47,451.20 : x
  2. Step 2: Convert to fraction form
    117,564.80/176,390.40 = 47,451.20/x
  3. Step 3: Cross multiply
    117,564.80x = 176,390.40 × 47,451.20
  4. Step 4: Simplify right side
    117,564.80x = 8,369,936,148.48
  5. Step 5: Solve for x
    x = 8,369,936,148.48/117,564.80
  6. Step 6: Final answer
    x = 71,194.24

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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.