Home / 157,300.07-235,716.78-115,542.95

Finding the Fourth Proportional to 157,300.07, 235,716.78 and 115,542.95

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Solution

The fourth proportional to 157,300.07, 235,716.78 and 115,542.95 is: 173,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,300.07 : 235,716.78 = 115,542.95 : x
  2. Step 2: Convert to fraction form
    157,300.07/235,716.78 = 115,542.95/x
  3. Step 3: Cross multiply
    157,300.07x = 235,716.78 × 115,542.95
  4. Step 4: Simplify right side
    157,300.07x = 27,235,412,125.70
  5. Step 5: Solve for x
    x = 27,235,412,125.70/157,300.07
  6. Step 6: Final answer
    x = 173,143.04

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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.