Home / 102,565.22-153,814.57-34,158.56

Finding the Fourth Proportional to 102,565.22, 153,814.57 and 34,158.56

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Solution

The fourth proportional to 102,565.22, 153,814.57 and 34,158.56 is: 51,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,565.22 : 153,814.57 = 34,158.56 : x
  2. Step 2: Convert to fraction form
    102,565.22/153,814.57 = 34,158.56/x
  3. Step 3: Cross multiply
    102,565.22x = 153,814.57 × 34,158.56
  4. Step 4: Simplify right side
    102,565.22x = 5,254,083,363.75
  5. Step 5: Solve for x
    x = 5,254,083,363.75/102,565.22
  6. Step 6: Final answer
    x = 51,226.76

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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.