Home / 143,316.50-197,775.33-79,652.93

Finding the Fourth Proportional to 143,316.50, 197,775.33 and 79,652.93

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Solution

The fourth proportional to 143,316.50, 197,775.33 and 79,652.93 is: 109,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.50 : 197,775.33 = 79,652.93 : x
  2. Step 2: Convert to fraction form
    143,316.50/197,775.33 = 79,652.93/x
  3. Step 3: Cross multiply
    143,316.50x = 197,775.33 × 79,652.93
  4. Step 4: Simplify right side
    143,316.50x = 15,753,383,527.34
  5. Step 5: Solve for x
    x = 15,753,383,527.34/143,316.50
  6. Step 6: Final answer
    x = 109,920.24

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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.