Home / 101,397.06-152,117.01-38,215.84

Finding the Fourth Proportional to 101,397.06, 152,117.01 and 38,215.84

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Solution

The fourth proportional to 101,397.06, 152,117.01 and 38,215.84 is: 57,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,397.06 : 152,117.01 = 38,215.84 : x
  2. Step 2: Convert to fraction form
    101,397.06/152,117.01 = 38,215.84/x
  3. Step 3: Cross multiply
    101,397.06x = 152,117.01 × 38,215.84
  4. Step 4: Simplify right side
    101,397.06x = 5,813,279,124.36
  5. Step 5: Solve for x
    x = 5,813,279,124.36/101,397.06
  6. Step 6: Final answer
    x = 57,331.83

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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.