Home / 192,389.18-288,332.10-103,451.18

Finding the Fourth Proportional to 192,389.18, 288,332.10 and 103,451.18

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Solution

The fourth proportional to 192,389.18, 288,332.10 and 103,451.18 is: 155,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,389.18 : 288,332.10 = 103,451.18 : x
  2. Step 2: Convert to fraction form
    192,389.18/288,332.10 = 103,451.18/x
  3. Step 3: Cross multiply
    192,389.18x = 288,332.10 × 103,451.18
  4. Step 4: Simplify right side
    192,389.18x = 29,828,294,535.22
  5. Step 5: Solve for x
    x = 29,828,294,535.22/192,389.18
  6. Step 6: Final answer
    x = 155,041.44

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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.