Home / 452,949.56-679,406.61-153,430.14

Finding the Fourth Proportional to 452,949.56, 679,406.61 and 153,430.14

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Solution

The fourth proportional to 452,949.56, 679,406.61 and 153,430.14 is: 230,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,949.56 : 679,406.61 = 153,430.14 : x
  2. Step 2: Convert to fraction form
    452,949.56/679,406.61 = 153,430.14/x
  3. Step 3: Cross multiply
    452,949.56x = 679,406.61 × 153,430.14
  4. Step 4: Simplify right side
    452,949.56x = 104,241,450,713.86
  5. Step 5: Solve for x
    x = 104,241,450,713.86/452,949.56
  6. Step 6: Final answer
    x = 230,139.20

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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.