Home / 117,165.24-175,711.50-42,275.66

Finding the Fourth Proportional to 117,165.24, 175,711.50 and 42,275.66

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Solution

The fourth proportional to 117,165.24, 175,711.50 and 42,275.66 is: 63,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,165.24 : 175,711.50 = 42,275.66 : x
  2. Step 2: Convert to fraction form
    117,165.24/175,711.50 = 42,275.66/x
  3. Step 3: Cross multiply
    117,165.24x = 175,711.50 × 42,275.66
  4. Step 4: Simplify right side
    117,165.24x = 7,428,319,632.09
  5. Step 5: Solve for x
    x = 7,428,319,632.09/117,165.24
  6. Step 6: Final answer
    x = 63,400.37

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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.