Home / 136,748.48-205,157.36-41,983.50

Finding the Fourth Proportional to 136,748.48, 205,157.36 and 41,983.50

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Solution

The fourth proportional to 136,748.48, 205,157.36 and 41,983.50 is: 62,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,748.48 : 205,157.36 = 41,983.50 : x
  2. Step 2: Convert to fraction form
    136,748.48/205,157.36 = 41,983.50/x
  3. Step 3: Cross multiply
    136,748.48x = 205,157.36 × 41,983.50
  4. Step 4: Simplify right side
    136,748.48x = 8,613,224,023.56
  5. Step 5: Solve for x
    x = 8,613,224,023.56/136,748.48
  6. Step 6: Final answer
    x = 62,985.88

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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.