Home / 105,234.24-145,233.26-57,494.76

Finding the Fourth Proportional to 105,234.24, 145,233.26 and 57,494.76

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Solution

The fourth proportional to 105,234.24, 145,233.26 and 57,494.76 is: 79,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,234.24 : 145,233.26 = 57,494.76 : x
  2. Step 2: Convert to fraction form
    105,234.24/145,233.26 = 57,494.76/x
  3. Step 3: Cross multiply
    105,234.24x = 145,233.26 × 57,494.76
  4. Step 4: Simplify right side
    105,234.24x = 8,350,151,427.72
  5. Step 5: Solve for x
    x = 8,350,151,427.72/105,234.24
  6. Step 6: Final answer
    x = 79,348.24

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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.