Home / 372,141.86-513,550.95-202,372.34

Finding the Fourth Proportional to 372,141.86, 513,550.95 and 202,372.34

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Solution

The fourth proportional to 372,141.86, 513,550.95 and 202,372.34 is: 279,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,141.86 : 513,550.95 = 202,372.34 : x
  2. Step 2: Convert to fraction form
    372,141.86/513,550.95 = 202,372.34/x
  3. Step 3: Cross multiply
    372,141.86x = 513,550.95 × 202,372.34
  4. Step 4: Simplify right side
    372,141.86x = 103,928,507,460.72
  5. Step 5: Solve for x
    x = 103,928,507,460.72/372,141.86
  6. Step 6: Final answer
    x = 279,271.21

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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.