Home / 170,789.80-256,223.10-52,466.60

Finding the Fourth Proportional to 170,789.80, 256,223.10 and 52,466.60

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Solution

The fourth proportional to 170,789.80, 256,223.10 and 52,466.60 is: 78,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,789.80 : 256,223.10 = 52,466.60 : x
  2. Step 2: Convert to fraction form
    170,789.80/256,223.10 = 52,466.60/x
  3. Step 3: Cross multiply
    170,789.80x = 256,223.10 × 52,466.60
  4. Step 4: Simplify right side
    170,789.80x = 13,443,154,898.46
  5. Step 5: Solve for x
    x = 13,443,154,898.46/170,789.80
  6. Step 6: Final answer
    x = 78,711.70

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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.