Home / 185,620.02-256,155.78-100,737.07

Finding the Fourth Proportional to 185,620.02, 256,155.78 and 100,737.07

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Solution

The fourth proportional to 185,620.02, 256,155.78 and 100,737.07 is: 139,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,620.02 : 256,155.78 = 100,737.07 : x
  2. Step 2: Convert to fraction form
    185,620.02/256,155.78 = 100,737.07/x
  3. Step 3: Cross multiply
    185,620.02x = 256,155.78 × 100,737.07
  4. Step 4: Simplify right side
    185,620.02x = 25,804,382,740.76
  5. Step 5: Solve for x
    x = 25,804,382,740.76/185,620.02
  6. Step 6: Final answer
    x = 139,017.24

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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.