Home / 127,637.16-176,132.28-70,265.28

Finding the Fourth Proportional to 127,637.16, 176,132.28 and 70,265.28

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Solution

The fourth proportional to 127,637.16, 176,132.28 and 70,265.28 is: 96,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.16 : 176,132.28 = 70,265.28 : x
  2. Step 2: Convert to fraction form
    127,637.16/176,132.28 = 70,265.28/x
  3. Step 3: Cross multiply
    127,637.16x = 176,132.28 × 70,265.28
  4. Step 4: Simplify right side
    127,637.16x = 12,375,983,971.24
  5. Step 5: Solve for x
    x = 12,375,983,971.24/127,637.16
  6. Step 6: Final answer
    x = 96,962.23

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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.