Home / 109,136.23-163,705.56-30,251.14

Finding the Fourth Proportional to 109,136.23, 163,705.56 and 30,251.14

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Solution

The fourth proportional to 109,136.23, 163,705.56 and 30,251.14 is: 45,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136.23 : 163,705.56 = 30,251.14 : x
  2. Step 2: Convert to fraction form
    109,136.23/163,705.56 = 30,251.14/x
  3. Step 3: Cross multiply
    109,136.23x = 163,705.56 × 30,251.14
  4. Step 4: Simplify right side
    109,136.23x = 4,952,279,814.34
  5. Step 5: Solve for x
    x = 4,952,279,814.34/109,136.23
  6. Step 6: Final answer
    x = 45,377.05

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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.