Home / 140,477.10-193,821.04-80,046.46

Finding the Fourth Proportional to 140,477.10, 193,821.04 and 80,046.46

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Solution

The fourth proportional to 140,477.10, 193,821.04 and 80,046.46 is: 110,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,477.10 : 193,821.04 = 80,046.46 : x
  2. Step 2: Convert to fraction form
    140,477.10/193,821.04 = 80,046.46/x
  3. Step 3: Cross multiply
    140,477.10x = 193,821.04 × 80,046.46
  4. Step 4: Simplify right side
    140,477.10x = 15,514,688,125.52
  5. Step 5: Solve for x
    x = 15,514,688,125.52/140,477.10
  6. Step 6: Final answer
    x = 110,442.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.