Home / 434,553.60-651,895.20-154,048.80

Finding the Fourth Proportional to 434,553.60, 651,895.20 and 154,048.80

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Solution

The fourth proportional to 434,553.60, 651,895.20 and 154,048.80 is: 231,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,553.60 : 651,895.20 = 154,048.80 : x
  2. Step 2: Convert to fraction form
    434,553.60/651,895.20 = 154,048.80/x
  3. Step 3: Cross multiply
    434,553.60x = 651,895.20 × 154,048.80
  4. Step 4: Simplify right side
    434,553.60x = 100,423,673,285.76
  5. Step 5: Solve for x
    x = 100,423,673,285.76/434,553.60
  6. Step 6: Final answer
    x = 231,096.17

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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.