Home / 113,590.57-170,123.28-109,653.97

Finding the Fourth Proportional to 113,590.57, 170,123.28 and 109,653.97

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Solution

The fourth proportional to 113,590.57, 170,123.28 and 109,653.97 is: 164,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.57 : 170,123.28 = 109,653.97 : x
  2. Step 2: Convert to fraction form
    113,590.57/170,123.28 = 109,653.97/x
  3. Step 3: Cross multiply
    113,590.57x = 170,123.28 × 109,653.97
  4. Step 4: Simplify right side
    113,590.57x = 18,654,693,041.42
  5. Step 5: Solve for x
    x = 18,654,693,041.42/113,590.57
  6. Step 6: Final answer
    x = 164,227.48

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1.5x scale

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.