Home / 113,275.25-156,320.03-62,974.25

Finding the Fourth Proportional to 113,275.25, 156,320.03 and 62,974.25

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Solution

The fourth proportional to 113,275.25, 156,320.03 and 62,974.25 is: 86,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,275.25 : 156,320.03 = 62,974.25 : x
  2. Step 2: Convert to fraction form
    113,275.25/156,320.03 = 62,974.25/x
  3. Step 3: Cross multiply
    113,275.25x = 156,320.03 × 62,974.25
  4. Step 4: Simplify right side
    113,275.25x = 9,844,136,649.23
  5. Step 5: Solve for x
    x = 9,844,136,649.23/113,275.25
  6. Step 6: Final answer
    x = 86,904.57

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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.