Home / 93,340.20-140,010.30-85,175.40

Finding the Fourth Proportional to 93,340.20, 140,010.30 and 85,175.40

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Solution

The fourth proportional to 93,340.20, 140,010.30 and 85,175.40 is: 127,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.20 : 140,010.30 = 85,175.40 : x
  2. Step 2: Convert to fraction form
    93,340.20/140,010.30 = 85,175.40/x
  3. Step 3: Cross multiply
    93,340.20x = 140,010.30 × 85,175.40
  4. Step 4: Simplify right side
    93,340.20x = 11,925,433,306.62
  5. Step 5: Solve for x
    x = 11,925,433,306.62/93,340.20
  6. Step 6: Final answer
    x = 127,763.10

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1.5x scale

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.