Home / 208,898.19-288,277.92-113,402.97

Finding the Fourth Proportional to 208,898.19, 288,277.92 and 113,402.97

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Solution

The fourth proportional to 208,898.19, 288,277.92 and 113,402.97 is: 156,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,898.19 : 288,277.92 = 113,402.97 : x
  2. Step 2: Convert to fraction form
    208,898.19/288,277.92 = 113,402.97/x
  3. Step 3: Cross multiply
    208,898.19x = 288,277.92 × 113,402.97
  4. Step 4: Simplify right side
    208,898.19x = 32,691,572,313.42
  5. Step 5: Solve for x
    x = 32,691,572,313.42/208,898.19
  6. Step 6: Final answer
    x = 156,495.24

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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.