Home / 117,589.18-176,387.10-28,842.60

Finding the Fourth Proportional to 117,589.18, 176,387.10 and 28,842.60

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Solution

The fourth proportional to 117,589.18, 176,387.10 and 28,842.60 is: 43,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.18 : 176,387.10 = 28,842.60 : x
  2. Step 2: Convert to fraction form
    117,589.18/176,387.10 = 28,842.60/x
  3. Step 3: Cross multiply
    117,589.18x = 176,387.10 × 28,842.60
  4. Step 4: Simplify right side
    117,589.18x = 5,087,462,570.46
  5. Step 5: Solve for x
    x = 5,087,462,570.46/117,589.18
  6. Step 6: Final answer
    x = 43,264.72

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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.