Home / 185,883.95-256,520.49-105,326.39

Finding the Fourth Proportional to 185,883.95, 256,520.49 and 105,326.39

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Solution

The fourth proportional to 185,883.95, 256,520.49 and 105,326.39 is: 145,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,883.95 : 256,520.49 = 105,326.39 : x
  2. Step 2: Convert to fraction form
    185,883.95/256,520.49 = 105,326.39/x
  3. Step 3: Cross multiply
    185,883.95x = 256,520.49 × 105,326.39
  4. Step 4: Simplify right side
    185,883.95x = 27,018,377,172.73
  5. Step 5: Solve for x
    x = 27,018,377,172.73/185,883.95
  6. Step 6: Final answer
    x = 145,350.78

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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.