Home / 372,056.14-513,436.77-202,289.86

Finding the Fourth Proportional to 372,056.14, 513,436.77 and 202,289.86

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Solution

The fourth proportional to 372,056.14, 513,436.77 and 202,289.86 is: 279,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,056.14 : 513,436.77 = 202,289.86 : x
  2. Step 2: Convert to fraction form
    372,056.14/513,436.77 = 202,289.86/x
  3. Step 3: Cross multiply
    372,056.14x = 513,436.77 × 202,289.86
  4. Step 4: Simplify right side
    372,056.14x = 103,863,052,322.15
  5. Step 5: Solve for x
    x = 103,863,052,322.15/372,056.14
  6. Step 6: Final answer
    x = 279,159.62

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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.