Home / 140,176.58-193,442.38-86,440.10

Finding the Fourth Proportional to 140,176.58, 193,442.38 and 86,440.10

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Solution

The fourth proportional to 140,176.58, 193,442.38 and 86,440.10 is: 119,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,176.58 : 193,442.38 = 86,440.10 : x
  2. Step 2: Convert to fraction form
    140,176.58/193,442.38 = 86,440.10/x
  3. Step 3: Cross multiply
    140,176.58x = 193,442.38 × 86,440.10
  4. Step 4: Simplify right side
    140,176.58x = 16,721,177,488.13
  5. Step 5: Solve for x
    x = 16,721,177,488.13/140,176.58
  6. Step 6: Final answer
    x = 119,286.53

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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.