Home / 208,853.38-288,217.92-113,360.05

Finding the Fourth Proportional to 208,853.38, 288,217.92 and 113,360.05

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Solution

The fourth proportional to 208,853.38, 288,217.92 and 113,360.05 is: 156,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.38 : 288,217.92 = 113,360.05 : x
  2. Step 2: Convert to fraction form
    208,853.38/288,217.92 = 113,360.05/x
  3. Step 3: Cross multiply
    208,853.38x = 288,217.92 × 113,360.05
  4. Step 4: Simplify right side
    208,853.38x = 32,672,397,822.10
  5. Step 5: Solve for x
    x = 32,672,397,822.10/208,853.38
  6. Step 6: Final answer
    x = 156,437.01

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1.5x scale

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.