Home / 185,541.50-278,330.48-52,422.80

Finding the Fourth Proportional to 185,541.50, 278,330.48 and 52,422.80

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Solution

The fourth proportional to 185,541.50, 278,330.48 and 52,422.80 is: 78,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541.50 : 278,330.48 = 52,422.80 : x
  2. Step 2: Convert to fraction form
    185,541.50/278,330.48 = 52,422.80/x
  3. Step 3: Cross multiply
    185,541.50x = 278,330.48 × 52,422.80
  4. Step 4: Simplify right side
    185,541.50x = 14,590,861,433.18
  5. Step 5: Solve for x
    x = 14,590,861,433.18/185,541.50
  6. Step 6: Final answer
    x = 78,639.34

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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.