Home / 192,389.18-288,642.08-92,521.04

Finding the Fourth Proportional to 192,389.18, 288,642.08 and 92,521.04

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Solution

The fourth proportional to 192,389.18, 288,642.08 and 92,521.04 is: 138,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,389.18 : 288,642.08 = 92,521.04 : x
  2. Step 2: Convert to fraction form
    192,389.18/288,642.08 = 92,521.04/x
  3. Step 3: Cross multiply
    192,389.18x = 288,642.08 × 92,521.04
  4. Step 4: Simplify right side
    192,389.18x = 26,705,465,429.36
  5. Step 5: Solve for x
    x = 26,705,465,429.36/192,389.18
  6. Step 6: Final answer
    x = 138,809.60

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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.