Home / 161,717.10-242,575.65-142,034.10

Finding the Fourth Proportional to 161,717.10, 242,575.65 and 142,034.10

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Solution

The fourth proportional to 161,717.10, 242,575.65 and 142,034.10 is: 213,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,717.10 : 242,575.65 = 142,034.10 : x
  2. Step 2: Convert to fraction form
    161,717.10/242,575.65 = 142,034.10/x
  3. Step 3: Cross multiply
    161,717.10x = 242,575.65 × 142,034.10
  4. Step 4: Simplify right side
    161,717.10x = 34,454,014,129.67
  5. Step 5: Solve for x
    x = 34,454,014,129.67/161,717.10
  6. Step 6: Final answer
    x = 213,051.15

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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.