Home / 157,029.47-216,608.41-98,793.61

Finding the Fourth Proportional to 157,029.47, 216,608.41 and 98,793.61

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Solution

The fourth proportional to 157,029.47, 216,608.41 and 98,793.61 is: 136,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,029.47 : 216,608.41 = 98,793.61 : x
  2. Step 2: Convert to fraction form
    157,029.47/216,608.41 = 98,793.61/x
  3. Step 3: Cross multiply
    157,029.47x = 216,608.41 × 98,793.61
  4. Step 4: Simplify right side
    157,029.47x = 21,399,526,362.23
  5. Step 5: Solve for x
    x = 21,399,526,362.23/157,029.47
  6. Step 6: Final answer
    x = 136,277.14

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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.