Home / 136,091.48-204,159.12-47,370.20

Finding the Fourth Proportional to 136,091.48, 204,159.12 and 47,370.20

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Solution

The fourth proportional to 136,091.48, 204,159.12 and 47,370.20 is: 71,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.48 : 204,159.12 = 47,370.20 : x
  2. Step 2: Convert to fraction form
    136,091.48/204,159.12 = 47,370.20/x
  3. Step 3: Cross multiply
    136,091.48x = 204,159.12 × 47,370.20
  4. Step 4: Simplify right side
    136,091.48x = 9,671,058,346.22
  5. Step 5: Solve for x
    x = 9,671,058,346.22/136,091.48
  6. Step 6: Final answer
    x = 71,062.92

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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.