Home / 157,203.12-216,876.21-96,755.52

Finding the Fourth Proportional to 157,203.12, 216,876.21 and 96,755.52

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Solution

The fourth proportional to 157,203.12, 216,876.21 and 96,755.52 is: 133,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,203.12 : 216,876.21 = 96,755.52 : x
  2. Step 2: Convert to fraction form
    157,203.12/216,876.21 = 96,755.52/x
  3. Step 3: Cross multiply
    157,203.12x = 216,876.21 × 96,755.52
  4. Step 4: Simplify right side
    157,203.12x = 20,983,970,474.18
  5. Step 5: Solve for x
    x = 20,983,970,474.18/157,203.12
  6. Step 6: Final answer
    x = 133,483.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.