Home / 185,569.96-256,089.53-100,687.03

Finding the Fourth Proportional to 185,569.96, 256,089.53 and 100,687.03

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Solution

The fourth proportional to 185,569.96, 256,089.53 and 100,687.03 is: 138,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,569.96 : 256,089.53 = 100,687.03 : x
  2. Step 2: Convert to fraction form
    185,569.96/256,089.53 = 100,687.03/x
  3. Step 3: Cross multiply
    185,569.96x = 256,089.53 × 100,687.03
  4. Step 4: Simplify right side
    185,569.96x = 25,784,894,189.80
  5. Step 5: Solve for x
    x = 25,784,894,189.80/185,569.96
  6. Step 6: Final answer
    x = 138,949.72

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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.