Home / 127,531.07-175,994.36-73,082.16

Finding the Fourth Proportional to 127,531.07, 175,994.36 and 73,082.16

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Solution

The fourth proportional to 127,531.07, 175,994.36 and 73,082.16 is: 100,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,531.07 : 175,994.36 = 73,082.16 : x
  2. Step 2: Convert to fraction form
    127,531.07/175,994.36 = 73,082.16/x
  3. Step 3: Cross multiply
    127,531.07x = 175,994.36 × 73,082.16
  4. Step 4: Simplify right side
    127,531.07x = 12,862,047,885.26
  5. Step 5: Solve for x
    x = 12,862,047,885.26/127,531.07
  6. Step 6: Final answer
    x = 100,854.23

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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.