Home / 381,053.18-571,580.02-96,765.05

Finding the Fourth Proportional to 381,053.18, 571,580.02 and 96,765.05

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Solution

The fourth proportional to 381,053.18, 571,580.02 and 96,765.05 is: 145,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,053.18 : 571,580.02 = 96,765.05 : x
  2. Step 2: Convert to fraction form
    381,053.18/571,580.02 = 96,765.05/x
  3. Step 3: Cross multiply
    381,053.18x = 571,580.02 × 96,765.05
  4. Step 4: Simplify right side
    381,053.18x = 55,308,966,114.49
  5. Step 5: Solve for x
    x = 55,308,966,114.49/381,053.18
  6. Step 6: Final answer
    x = 145,147.63

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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.