Home / 109,159.41-163,814.31-38,082.45

Finding the Fourth Proportional to 109,159.41, 163,814.31 and 38,082.45

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Solution

The fourth proportional to 109,159.41, 163,814.31 and 38,082.45 is: 57,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,159.41 : 163,814.31 = 38,082.45 : x
  2. Step 2: Convert to fraction form
    109,159.41/163,814.31 = 38,082.45/x
  3. Step 3: Cross multiply
    109,159.41x = 163,814.31 × 38,082.45
  4. Step 4: Simplify right side
    109,159.41x = 6,238,450,269.86
  5. Step 5: Solve for x
    x = 6,238,450,269.86/109,159.41
  6. Step 6: Final answer
    x = 57,149.91

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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.