Home / 186,787.84-257,764.80-101,903.04

Finding the Fourth Proportional to 186,787.84, 257,764.80 and 101,903.04

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Solution

The fourth proportional to 186,787.84, 257,764.80 and 101,903.04 is: 140,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787.84 : 257,764.80 = 101,903.04 : x
  2. Step 2: Convert to fraction form
    186,787.84/257,764.80 = 101,903.04/x
  3. Step 3: Cross multiply
    186,787.84x = 257,764.80 × 101,903.04
  4. Step 4: Simplify right side
    186,787.84x = 26,267,016,724.99
  5. Step 5: Solve for x
    x = 26,267,016,724.99/186,787.84
  6. Step 6: Final answer
    x = 140,624.88

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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.