Home / 127,657.30-176,165.59-70,295.43

Finding the Fourth Proportional to 127,657.30, 176,165.59 and 70,295.43

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Solution

The fourth proportional to 127,657.30, 176,165.59 and 70,295.43 is: 97,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,657.30 : 176,165.59 = 70,295.43 : x
  2. Step 2: Convert to fraction form
    127,657.30/176,165.59 = 70,295.43/x
  3. Step 3: Cross multiply
    127,657.30x = 176,165.59 × 70,295.43
  4. Step 4: Simplify right side
    127,657.30x = 12,383,635,900.25
  5. Step 5: Solve for x
    x = 12,383,635,900.25/127,657.30
  6. Step 6: Final answer
    x = 97,006.88

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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.