Home / 157,871.26-217,862.22-89,884.72

Finding the Fourth Proportional to 157,871.26, 217,862.22 and 89,884.72

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Solution

The fourth proportional to 157,871.26, 217,862.22 and 89,884.72 is: 124,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,871.26 : 217,862.22 = 89,884.72 : x
  2. Step 2: Convert to fraction form
    157,871.26/217,862.22 = 89,884.72/x
  3. Step 3: Cross multiply
    157,871.26x = 217,862.22 × 89,884.72
  4. Step 4: Simplify right side
    157,871.26x = 19,582,484,643.28
  5. Step 5: Solve for x
    x = 19,582,484,643.28/157,871.26
  6. Step 6: Final answer
    x = 124,040.85

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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.