Home / 434,579.10-651,901.05-154,059.90

Finding the Fourth Proportional to 434,579.10, 651,901.05 and 154,059.90

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Solution

The fourth proportional to 434,579.10, 651,901.05 and 154,059.90 is: 231,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.10 : 651,901.05 = 154,059.90 : x
  2. Step 2: Convert to fraction form
    434,579.10/651,901.05 = 154,059.90/x
  3. Step 3: Cross multiply
    434,579.10x = 651,901.05 × 154,059.90
  4. Step 4: Simplify right side
    434,579.10x = 100,431,810,572.90
  5. Step 5: Solve for x
    x = 100,431,810,572.90/434,579.10
  6. Step 6: Final answer
    x = 231,101.34

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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.