Home / 111,726.60-154,156.95-69,264.78

Finding the Fourth Proportional to 111,726.60, 154,156.95 and 69,264.78

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Solution

The fourth proportional to 111,726.60, 154,156.95 and 69,264.78 is: 95,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,726.60 : 154,156.95 = 69,264.78 : x
  2. Step 2: Convert to fraction form
    111,726.60/154,156.95 = 69,264.78/x
  3. Step 3: Cross multiply
    111,726.60x = 154,156.95 × 69,264.78
  4. Step 4: Simplify right side
    111,726.60x = 10,677,647,227.22
  5. Step 5: Solve for x
    x = 10,677,647,227.22/111,726.60
  6. Step 6: Final answer
    x = 95,569.43

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1.5x scale

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.