Home / 170,956.13-256,445.14-65,775.10

Finding the Fourth Proportional to 170,956.13, 256,445.14 and 65,775.10

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Solution

The fourth proportional to 170,956.13, 256,445.14 and 65,775.10 is: 98,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,956.13 : 256,445.14 = 65,775.10 : x
  2. Step 2: Convert to fraction form
    170,956.13/256,445.14 = 65,775.10/x
  3. Step 3: Cross multiply
    170,956.13x = 256,445.14 × 65,775.10
  4. Step 4: Simplify right side
    170,956.13x = 16,867,704,728.01
  5. Step 5: Solve for x
    x = 16,867,704,728.01/170,956.13
  6. Step 6: Final answer
    x = 98,666.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.