Home / 113,854.40-157,106.95-66,098.82

Finding the Fourth Proportional to 113,854.40, 157,106.95 and 66,098.82

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Solution

The fourth proportional to 113,854.40, 157,106.95 and 66,098.82 is: 91,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,854.40 : 157,106.95 = 66,098.82 : x
  2. Step 2: Convert to fraction form
    113,854.40/157,106.95 = 66,098.82/x
  3. Step 3: Cross multiply
    113,854.40x = 157,106.95 × 66,098.82
  4. Step 4: Simplify right side
    113,854.40x = 10,384,584,008.80
  5. Step 5: Solve for x
    x = 10,384,584,008.80/113,854.40
  6. Step 6: Final answer
    x = 91,209.33

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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.