Home / 453,189.06-679,340.25-187,173.72

Finding the Fourth Proportional to 453,189.06, 679,340.25 and 187,173.72

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Solution

The fourth proportional to 453,189.06, 679,340.25 and 187,173.72 is: 280,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,189.06 : 679,340.25 = 187,173.72 : x
  2. Step 2: Convert to fraction form
    453,189.06/679,340.25 = 187,173.72/x
  3. Step 3: Cross multiply
    453,189.06x = 679,340.25 × 187,173.72
  4. Step 4: Simplify right side
    453,189.06x = 127,154,641,738.23
  5. Step 5: Solve for x
    x = 127,154,641,738.23/453,189.06
  6. Step 6: Final answer
    x = 280,577.47

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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.