Home / 157,974.09-218,008.43-94,348.59

Finding the Fourth Proportional to 157,974.09, 218,008.43 and 94,348.59

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Solution

The fourth proportional to 157,974.09, 218,008.43 and 94,348.59 is: 130,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,974.09 : 218,008.43 = 94,348.59 : x
  2. Step 2: Convert to fraction form
    157,974.09/218,008.43 = 94,348.59/x
  3. Step 3: Cross multiply
    157,974.09x = 218,008.43 × 94,348.59
  4. Step 4: Simplify right side
    157,974.09x = 20,568,787,978.61
  5. Step 5: Solve for x
    x = 20,568,787,978.61/157,974.09
  6. Step 6: Final answer
    x = 130,203.55

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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.