Home / 185,123.94-255,280.05-158,355.06

Finding the Fourth Proportional to 185,123.94, 255,280.05 and 158,355.06

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Solution

The fourth proportional to 185,123.94, 255,280.05 and 158,355.06 is: 218,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,123.94 : 255,280.05 = 158,355.06 : x
  2. Step 2: Convert to fraction form
    185,123.94/255,280.05 = 158,355.06/x
  3. Step 3: Cross multiply
    185,123.94x = 255,280.05 × 158,355.06
  4. Step 4: Simplify right side
    185,123.94x = 40,424,887,634.55
  5. Step 5: Solve for x
    x = 40,424,887,634.55/185,123.94
  6. Step 6: Final answer
    x = 218,366.61

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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.