Home / 238,657.11-357,749.20-112,070.76

Finding the Fourth Proportional to 238,657.11, 357,749.20 and 112,070.76

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Solution

The fourth proportional to 238,657.11, 357,749.20 and 112,070.76 is: 167,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,657.11 : 357,749.20 = 112,070.76 : x
  2. Step 2: Convert to fraction form
    238,657.11/357,749.20 = 112,070.76/x
  3. Step 3: Cross multiply
    238,657.11x = 357,749.20 × 112,070.76
  4. Step 4: Simplify right side
    238,657.11x = 40,093,223,531.92
  5. Step 5: Solve for x
    x = 40,093,223,531.92/238,657.11
  6. Step 6: Final answer
    x = 167,995.09

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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.