Home / 442,934.10-664,401.15-176,735.70

Finding the Fourth Proportional to 442,934.10, 664,401.15 and 176,735.70

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Solution

The fourth proportional to 442,934.10, 664,401.15 and 176,735.70 is: 265,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,934.10 : 664,401.15 = 176,735.70 : x
  2. Step 2: Convert to fraction form
    442,934.10/664,401.15 = 176,735.70/x
  3. Step 3: Cross multiply
    442,934.10x = 664,401.15 × 176,735.70
  4. Step 4: Simplify right side
    442,934.10x = 117,423,402,326.06
  5. Step 5: Solve for x
    x = 117,423,402,326.06/442,934.10
  6. Step 6: Final answer
    x = 265,103.55

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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.