Home / 214,770.15-322,153.17-130,553.57

Finding the Fourth Proportional to 214,770.15, 322,153.17 and 130,553.57

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Solution

The fourth proportional to 214,770.15, 322,153.17 and 130,553.57 is: 195,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,770.15 : 322,153.17 = 130,553.57 : x
  2. Step 2: Convert to fraction form
    214,770.15/322,153.17 = 130,553.57/x
  3. Step 3: Cross multiply
    214,770.15x = 322,153.17 × 130,553.57
  4. Step 4: Simplify right side
    214,770.15x = 42,058,246,430.32
  5. Step 5: Solve for x
    x = 42,058,246,430.32/214,770.15
  6. Step 6: Final answer
    x = 195,829.11

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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.