Home / 455,924.90-683,901.18-156,401.15

Finding the Fourth Proportional to 455,924.90, 683,901.18 and 156,401.15

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Solution

The fourth proportional to 455,924.90, 683,901.18 and 156,401.15 is: 234,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,924.90 : 683,901.18 = 156,401.15 : x
  2. Step 2: Convert to fraction form
    455,924.90/683,901.18 = 156,401.15/x
  3. Step 3: Cross multiply
    455,924.90x = 683,901.18 × 156,401.15
  4. Step 4: Simplify right side
    455,924.90x = 106,962,930,769.99
  5. Step 5: Solve for x
    x = 106,962,930,769.99/455,924.90
  6. Step 6: Final answer
    x = 234,606.47

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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.