Home / 157,178.35-235,625.33-57,315.18

Finding the Fourth Proportional to 157,178.35, 235,625.33 and 57,315.18

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Solution

The fourth proportional to 157,178.35, 235,625.33 and 57,315.18 is: 85,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,178.35 : 235,625.33 = 57,315.18 : x
  2. Step 2: Convert to fraction form
    157,178.35/235,625.33 = 57,315.18/x
  3. Step 3: Cross multiply
    157,178.35x = 235,625.33 × 57,315.18
  4. Step 4: Simplify right side
    157,178.35x = 13,504,908,344.80
  5. Step 5: Solve for x
    x = 13,504,908,344.80/157,178.35
  6. Step 6: Final answer
    x = 85,920.92

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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.