Home / 127,174.62-190,730.34-38,421.30

Finding the Fourth Proportional to 127,174.62, 190,730.34 and 38,421.30

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Solution

The fourth proportional to 127,174.62, 190,730.34 and 38,421.30 is: 57,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,174.62 : 190,730.34 = 38,421.30 : x
  2. Step 2: Convert to fraction form
    127,174.62/190,730.34 = 38,421.30/x
  3. Step 3: Cross multiply
    127,174.62x = 190,730.34 × 38,421.30
  4. Step 4: Simplify right side
    127,174.62x = 7,328,107,612.24
  5. Step 5: Solve for x
    x = 7,328,107,612.24/127,174.62
  6. Step 6: Final answer
    x = 57,622.41

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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.