Home / 185,620.08-256,156.56-100,737.24

Finding the Fourth Proportional to 185,620.08, 256,156.56 and 100,737.24

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Solution

The fourth proportional to 185,620.08, 256,156.56 and 100,737.24 is: 139,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,620.08 : 256,156.56 = 100,737.24 : x
  2. Step 2: Convert to fraction form
    185,620.08/256,156.56 = 100,737.24/x
  3. Step 3: Cross multiply
    185,620.08x = 256,156.56 × 100,737.24
  4. Step 4: Simplify right side
    185,620.08x = 25,804,504,862.29
  5. Step 5: Solve for x
    x = 25,804,504,862.29/185,620.08
  6. Step 6: Final answer
    x = 139,017.85

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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.