Home / 127,585.62-191,399.03-38,818.22

Finding the Fourth Proportional to 127,585.62, 191,399.03 and 38,818.22

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Solution

The fourth proportional to 127,585.62, 191,399.03 and 38,818.22 is: 58,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.62 : 191,399.03 = 38,818.22 : x
  2. Step 2: Convert to fraction form
    127,585.62/191,399.03 = 38,818.22/x
  3. Step 3: Cross multiply
    127,585.62x = 191,399.03 × 38,818.22
  4. Step 4: Simplify right side
    127,585.62x = 7,429,768,503.24
  5. Step 5: Solve for x
    x = 7,429,768,503.24/127,585.62
  6. Step 6: Final answer
    x = 58,233.59

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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.