Home / 180,971.80-271,587.30-102,002.20

Finding the Fourth Proportional to 180,971.80, 271,587.30 and 102,002.20

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Solution

The fourth proportional to 180,971.80, 271,587.30 and 102,002.20 is: 153,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,971.80 : 271,587.30 = 102,002.20 : x
  2. Step 2: Convert to fraction form
    180,971.80/271,587.30 = 102,002.20/x
  3. Step 3: Cross multiply
    180,971.80x = 271,587.30 × 102,002.20
  4. Step 4: Simplify right side
    180,971.80x = 27,702,502,092.06
  5. Step 5: Solve for x
    x = 27,702,502,092.06/180,971.80
  6. Step 6: Final answer
    x = 153,076.35

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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.