Home / 127,663.20-176,180.00-70,305.03

Finding the Fourth Proportional to 127,663.20, 176,180.00 and 70,305.03

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Solution

The fourth proportional to 127,663.20, 176,180.00 and 70,305.03 is: 97,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.20 : 176,180.00 = 70,305.03 : x
  2. Step 2: Convert to fraction form
    127,663.20/176,180.00 = 70,305.03/x
  3. Step 3: Cross multiply
    127,663.20x = 176,180.00 × 70,305.03
  4. Step 4: Simplify right side
    127,663.20x = 12,386,339,833.87
  5. Step 5: Solve for x
    x = 12,386,339,833.87/127,663.20
  6. Step 6: Final answer
    x = 97,023.57

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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.