Home / 129,534.88-177,593-127,173.28

Finding the Fourth Proportional to 129,534.88, 177,593 and 127,173.28

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Solution

The fourth proportional to 129,534.88, 177,593 and 127,173.28 is: 174,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,534.88 : 177,593 = 127,173.28 : x
  2. Step 2: Convert to fraction form
    129,534.88/177,593 = 127,173.28/x
  3. Step 3: Cross multiply
    129,534.88x = 177,593 × 127,173.28
  4. Step 4: Simplify right side
    129,534.88x = 22,585,084,315.04
  5. Step 5: Solve for x
    x = 22,585,084,315.04/129,534.88
  6. Step 6: Final answer
    x = 174,355.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.