Home / 185,787.53-256,382.57-100,902.77

Finding the Fourth Proportional to 185,787.53, 256,382.57 and 100,902.77

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Solution

The fourth proportional to 185,787.53, 256,382.57 and 100,902.77 is: 139,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.53 : 256,382.57 = 100,902.77 : x
  2. Step 2: Convert to fraction form
    185,787.53/256,382.57 = 100,902.77/x
  3. Step 3: Cross multiply
    185,787.53x = 256,382.57 × 100,902.77
  4. Step 4: Simplify right side
    185,787.53x = 25,869,710,463.06
  5. Step 5: Solve for x
    x = 25,869,710,463.06/185,787.53
  6. Step 6: Final answer
    x = 139,243.53

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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.