Home / 372,182.85-513,597.51-202,417.11

Finding the Fourth Proportional to 372,182.85, 513,597.51 and 202,417.11

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Solution

The fourth proportional to 372,182.85, 513,597.51 and 202,417.11 is: 279,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,182.85 : 513,597.51 = 202,417.11 : x
  2. Step 2: Convert to fraction form
    372,182.85/513,597.51 = 202,417.11/x
  3. Step 3: Cross multiply
    372,182.85x = 513,597.51 × 202,417.11
  4. Step 4: Simplify right side
    372,182.85x = 103,960,923,677.40
  5. Step 5: Solve for x
    x = 103,960,923,677.40/372,182.85
  6. Step 6: Final answer
    x = 279,327.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.