Home / 105,233.24-145,231.88-57,493.76

Finding the Fourth Proportional to 105,233.24, 145,231.88 and 57,493.76

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Solution

The fourth proportional to 105,233.24, 145,231.88 and 57,493.76 is: 79,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,233.24 : 145,231.88 = 57,493.76 : x
  2. Step 2: Convert to fraction form
    105,233.24/145,231.88 = 57,493.76/x
  3. Step 3: Cross multiply
    105,233.24x = 145,231.88 × 57,493.76
  4. Step 4: Simplify right side
    105,233.24x = 8,349,926,853.07
  5. Step 5: Solve for x
    x = 8,349,926,853.07/105,233.24
  6. Step 6: Final answer
    x = 79,346.86

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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.