Home / 127,043.03-175,318.18-69,681.17

Finding the Fourth Proportional to 127,043.03, 175,318.18 and 69,681.17

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Solution

The fourth proportional to 127,043.03, 175,318.18 and 69,681.17 is: 96,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.03 : 175,318.18 = 69,681.17 : x
  2. Step 2: Convert to fraction form
    127,043.03/175,318.18 = 69,681.17/x
  3. Step 3: Cross multiply
    127,043.03x = 175,318.18 × 69,681.17
  4. Step 4: Simplify right side
    127,043.03x = 12,216,375,556.26
  5. Step 5: Solve for x
    x = 12,216,375,556.26/127,043.03
  6. Step 6: Final answer
    x = 96,159.36

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1.5x scale

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.