Home / 127,898.10-176,453.10-74,153.52

Finding the Fourth Proportional to 127,898.10, 176,453.10 and 74,153.52

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Solution

The fourth proportional to 127,898.10, 176,453.10 and 74,153.52 is: 102,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,898.10 : 176,453.10 = 74,153.52 : x
  2. Step 2: Convert to fraction form
    127,898.10/176,453.10 = 74,153.52/x
  3. Step 3: Cross multiply
    127,898.10x = 176,453.10 × 74,153.52
  4. Step 4: Simplify right side
    127,898.10x = 13,084,618,479.91
  5. Step 5: Solve for x
    x = 13,084,618,479.91/127,898.10
  6. Step 6: Final answer
    x = 102,305.03

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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.