Home / 208,741.12-288,060.54-113,247.04

Finding the Fourth Proportional to 208,741.12, 288,060.54 and 113,247.04

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Solution

The fourth proportional to 208,741.12, 288,060.54 and 113,247.04 is: 156,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,741.12 : 288,060.54 = 113,247.04 : x
  2. Step 2: Convert to fraction form
    208,741.12/288,060.54 = 113,247.04/x
  3. Step 3: Cross multiply
    208,741.12x = 288,060.54 × 113,247.04
  4. Step 4: Simplify right side
    208,741.12x = 32,622,003,495.80
  5. Step 5: Solve for x
    x = 32,622,003,495.80/208,741.12
  6. Step 6: Final answer
    x = 156,279.72

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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.