Home / 192,389.04-288,641.88-136,337.58

Finding the Fourth Proportional to 192,389.04, 288,641.88 and 136,337.58

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Solution

The fourth proportional to 192,389.04, 288,641.88 and 136,337.58 is: 204,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,389.04 : 288,641.88 = 136,337.58 : x
  2. Step 2: Convert to fraction form
    192,389.04/288,641.88 = 136,337.58/x
  3. Step 3: Cross multiply
    192,389.04x = 288,641.88 × 136,337.58
  4. Step 4: Simplify right side
    192,389.04x = 39,352,735,405.85
  5. Step 5: Solve for x
    x = 39,352,735,405.85/192,389.04
  6. Step 6: Final answer
    x = 204,547.70

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1.5x scale

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.