Home / 113,828.76-156,937.65-93,335.31

Finding the Fourth Proportional to 113,828.76, 156,937.65 and 93,335.31

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Solution

The fourth proportional to 113,828.76, 156,937.65 and 93,335.31 is: 128,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.76 : 156,937.65 = 93,335.31 : x
  2. Step 2: Convert to fraction form
    113,828.76/156,937.65 = 93,335.31/x
  3. Step 3: Cross multiply
    113,828.76x = 156,937.65 × 93,335.31
  4. Step 4: Simplify right side
    113,828.76x = 14,647,824,213.42
  5. Step 5: Solve for x
    x = 14,647,824,213.42/113,828.76
  6. Step 6: Final answer
    x = 128,682.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.