Home / 452,861.20-679,270.20-153,312.40

Finding the Fourth Proportional to 452,861.20, 679,270.20 and 153,312.40

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Solution

The fourth proportional to 452,861.20, 679,270.20 and 153,312.40 is: 229,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,861.20 : 679,270.20 = 153,312.40 : x
  2. Step 2: Convert to fraction form
    452,861.20/679,270.20 = 153,312.40/x
  3. Step 3: Cross multiply
    452,861.20x = 679,270.20 × 153,312.40
  4. Step 4: Simplify right side
    452,861.20x = 104,140,544,610.48
  5. Step 5: Solve for x
    x = 104,140,544,610.48/452,861.20
  6. Step 6: Final answer
    x = 229,961.29

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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.