Home / 185,792.13-256,391.73-100,909.80

Finding the Fourth Proportional to 185,792.13, 256,391.73 and 100,909.80

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Solution

The fourth proportional to 185,792.13, 256,391.73 and 100,909.80 is: 139,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792.13 : 256,391.73 = 100,909.80 : x
  2. Step 2: Convert to fraction form
    185,792.13/256,391.73 = 100,909.80/x
  3. Step 3: Cross multiply
    185,792.13x = 256,391.73 × 100,909.80
  4. Step 4: Simplify right side
    185,792.13x = 25,872,438,195.95
  5. Step 5: Solve for x
    x = 25,872,438,195.95/185,792.13
  6. Step 6: Final answer
    x = 139,254.76

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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.