Home / 372,032.86-513,402.79-202,266.98

Finding the Fourth Proportional to 372,032.86, 513,402.79 and 202,266.98

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Solution

The fourth proportional to 372,032.86, 513,402.79 and 202,266.98 is: 279,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,032.86 : 513,402.79 = 202,266.98 : x
  2. Step 2: Convert to fraction form
    372,032.86/513,402.79 = 202,266.98/x
  3. Step 3: Cross multiply
    372,032.86x = 513,402.79 × 202,266.98
  4. Step 4: Simplify right side
    372,032.86x = 103,844,431,856.87
  5. Step 5: Solve for x
    x = 103,844,431,856.87/372,032.86
  6. Step 6: Final answer
    x = 279,127.04

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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.