Home / 127,777.18-176,328.38-73,338.31

Finding the Fourth Proportional to 127,777.18, 176,328.38 and 73,338.31

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Solution

The fourth proportional to 127,777.18, 176,328.38 and 73,338.31 is: 101,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,777.18 : 176,328.38 = 73,338.31 : x
  2. Step 2: Convert to fraction form
    127,777.18/176,328.38 = 73,338.31/x
  3. Step 3: Cross multiply
    127,777.18x = 176,328.38 × 73,338.31
  4. Step 4: Simplify right side
    127,777.18x = 12,931,625,385.47
  5. Step 5: Solve for x
    x = 12,931,625,385.47/127,777.18
  6. Step 6: Final answer
    x = 101,204.50

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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.