Home / 140,023.62-193,247.58-85,607.72

Finding the Fourth Proportional to 140,023.62, 193,247.58 and 85,607.72

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Solution

The fourth proportional to 140,023.62, 193,247.58 and 85,607.72 is: 118,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,023.62 : 193,247.58 = 85,607.72 : x
  2. Step 2: Convert to fraction form
    140,023.62/193,247.58 = 85,607.72/x
  3. Step 3: Cross multiply
    140,023.62x = 193,247.58 × 85,607.72
  4. Step 4: Simplify right side
    140,023.62x = 16,543,484,719.32
  5. Step 5: Solve for x
    x = 16,543,484,719.32/140,023.62
  6. Step 6: Final answer
    x = 118,147.81

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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.