Home / 127,732.85-176,271.37-74,048.98

Finding the Fourth Proportional to 127,732.85, 176,271.37 and 74,048.98

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Solution

The fourth proportional to 127,732.85, 176,271.37 and 74,048.98 is: 102,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,732.85 : 176,271.37 = 74,048.98 : x
  2. Step 2: Convert to fraction form
    127,732.85/176,271.37 = 74,048.98/x
  3. Step 3: Cross multiply
    127,732.85x = 176,271.37 × 74,048.98
  4. Step 4: Simplify right side
    127,732.85x = 13,052,715,151.70
  5. Step 5: Solve for x
    x = 13,052,715,151.70/127,732.85
  6. Step 6: Final answer
    x = 102,187.62

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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.