Home / 112,377.27-168,572.40-42,257.19

Finding the Fourth Proportional to 112,377.27, 168,572.40 and 42,257.19

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Solution

The fourth proportional to 112,377.27, 168,572.40 and 42,257.19 is: 63,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.27 : 168,572.40 = 42,257.19 : x
  2. Step 2: Convert to fraction form
    112,377.27/168,572.40 = 42,257.19/x
  3. Step 3: Cross multiply
    112,377.27x = 168,572.40 × 42,257.19
  4. Step 4: Simplify right side
    112,377.27x = 7,123,395,935.56
  5. Step 5: Solve for x
    x = 7,123,395,935.56/112,377.27
  6. Step 6: Final answer
    x = 63,388.23

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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.