Home / 186,787.20-257,752.96-101,902.40

Finding the Fourth Proportional to 186,787.20, 257,752.96 and 101,902.40

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Solution

The fourth proportional to 186,787.20, 257,752.96 and 101,902.40 is: 140,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787.20 : 257,752.96 = 101,902.40 : x
  2. Step 2: Convert to fraction form
    186,787.20/257,752.96 = 101,902.40/x
  3. Step 3: Cross multiply
    186,787.20x = 257,752.96 × 101,902.40
  4. Step 4: Simplify right side
    186,787.20x = 26,265,645,231.10
  5. Step 5: Solve for x
    x = 26,265,645,231.10/186,787.20
  6. Step 6: Final answer
    x = 140,618.01

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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.