Home / 185,844.30-278,875.80-67,527.60

Finding the Fourth Proportional to 185,844.30, 278,875.80 and 67,527.60

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Solution

The fourth proportional to 185,844.30, 278,875.80 and 67,527.60 is: 101,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,844.30 : 278,875.80 = 67,527.60 : x
  2. Step 2: Convert to fraction form
    185,844.30/278,875.80 = 67,527.60/x
  3. Step 3: Cross multiply
    185,844.30x = 278,875.80 × 67,527.60
  4. Step 4: Simplify right side
    185,844.30x = 18,831,813,472.08
  5. Step 5: Solve for x
    x = 18,831,813,472.08/185,844.30
  6. Step 6: Final answer
    x = 101,331.13

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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.