Home / 169,920.20-254,872.20-57,589.40

Finding the Fourth Proportional to 169,920.20, 254,872.20 and 57,589.40

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Solution

The fourth proportional to 169,920.20, 254,872.20 and 57,589.40 is: 86,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,920.20 : 254,872.20 = 57,589.40 : x
  2. Step 2: Convert to fraction form
    169,920.20/254,872.20 = 57,589.40/x
  3. Step 3: Cross multiply
    169,920.20x = 254,872.20 × 57,589.40
  4. Step 4: Simplify right side
    169,920.20x = 14,677,937,074.68
  5. Step 5: Solve for x
    x = 14,677,937,074.68/169,920.20
  6. Step 6: Final answer
    x = 86,381.35

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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.