Home / 140,234.16-193,523.38-76,570.60

Finding the Fourth Proportional to 140,234.16, 193,523.38 and 76,570.60

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Solution

The fourth proportional to 140,234.16, 193,523.38 and 76,570.60 is: 105,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.16 : 193,523.38 = 76,570.60 : x
  2. Step 2: Convert to fraction form
    140,234.16/193,523.38 = 76,570.60/x
  3. Step 3: Cross multiply
    140,234.16x = 193,523.38 × 76,570.60
  4. Step 4: Simplify right side
    140,234.16x = 14,818,201,320.63
  5. Step 5: Solve for x
    x = 14,818,201,320.63/140,234.16
  6. Step 6: Final answer
    x = 105,667.56

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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.