Home / 113,432.43-170,135.65-30,332.91

Finding the Fourth Proportional to 113,432.43, 170,135.65 and 30,332.91

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Solution

The fourth proportional to 113,432.43, 170,135.65 and 30,332.91 is: 45,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.43 : 170,135.65 = 30,332.91 : x
  2. Step 2: Convert to fraction form
    113,432.43/170,135.65 = 30,332.91/x
  3. Step 3: Cross multiply
    113,432.43x = 170,135.65 × 30,332.91
  4. Step 4: Simplify right side
    113,432.43x = 5,160,709,359.24
  5. Step 5: Solve for x
    x = 5,160,709,359.24/113,432.43
  6. Step 6: Final answer
    x = 45,495.89

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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.