Home / 157,027.20-216,605.16-98,791.32

Finding the Fourth Proportional to 157,027.20, 216,605.16 and 98,791.32

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Solution

The fourth proportional to 157,027.20, 216,605.16 and 98,791.32 is: 136,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,027.20 : 216,605.16 = 98,791.32 : x
  2. Step 2: Convert to fraction form
    157,027.20/216,605.16 = 98,791.32/x
  3. Step 3: Cross multiply
    157,027.20x = 216,605.16 × 98,791.32
  4. Step 4: Simplify right side
    157,027.20x = 21,398,709,675.21
  5. Step 5: Solve for x
    x = 21,398,709,675.21/157,027.20
  6. Step 6: Final answer
    x = 136,273.90

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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.