Home / 372,055.14-513,435.39-202,288.86

Finding the Fourth Proportional to 372,055.14, 513,435.39 and 202,288.86

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Solution

The fourth proportional to 372,055.14, 513,435.39 and 202,288.86 is: 279,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,055.14 : 513,435.39 = 202,288.86 : x
  2. Step 2: Convert to fraction form
    372,055.14/513,435.39 = 202,288.86/x
  3. Step 3: Cross multiply
    372,055.14x = 513,435.39 × 202,288.86
  4. Step 4: Simplify right side
    372,055.14x = 103,862,259,726.76
  5. Step 5: Solve for x
    x = 103,862,259,726.76/372,055.14
  6. Step 6: Final answer
    x = 279,158.24

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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.