Home / 185,548.32-278,470.08-67,253.40

Finding the Fourth Proportional to 185,548.32, 278,470.08 and 67,253.40

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Solution

The fourth proportional to 185,548.32, 278,470.08 and 67,253.40 is: 100,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,548.32 : 278,470.08 = 67,253.40 : x
  2. Step 2: Convert to fraction form
    185,548.32/278,470.08 = 67,253.40/x
  3. Step 3: Cross multiply
    185,548.32x = 278,470.08 × 67,253.40
  4. Step 4: Simplify right side
    185,548.32x = 18,728,059,678.27
  5. Step 5: Solve for x
    x = 18,728,059,678.27/185,548.32
  6. Step 6: Final answer
    x = 100,933.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.