Home / 192,787.95-266,041.89-112,213.74

Finding the Fourth Proportional to 192,787.95, 266,041.89 and 112,213.74

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Solution

The fourth proportional to 192,787.95, 266,041.89 and 112,213.74 is: 154,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,787.95 : 266,041.89 = 112,213.74 : x
  2. Step 2: Convert to fraction form
    192,787.95/266,041.89 = 112,213.74/x
  3. Step 3: Cross multiply
    192,787.95x = 266,041.89 × 112,213.74
  4. Step 4: Simplify right side
    192,787.95x = 29,853,555,473.57
  5. Step 5: Solve for x
    x = 29,853,555,473.57/192,787.95
  6. Step 6: Final answer
    x = 154,851.77

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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.