Home / 152,581.12-228,392.16-105,691.84

Finding the Fourth Proportional to 152,581.12, 228,392.16 and 105,691.84

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Solution

The fourth proportional to 152,581.12, 228,392.16 and 105,691.84 is: 158,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,581.12 : 228,392.16 = 105,691.84 : x
  2. Step 2: Convert to fraction form
    152,581.12/228,392.16 = 105,691.84/x
  3. Step 3: Cross multiply
    152,581.12x = 228,392.16 × 105,691.84
  4. Step 4: Simplify right side
    152,581.12x = 24,139,187,631.97
  5. Step 5: Solve for x
    x = 24,139,187,631.97/152,581.12
  6. Step 6: Final answer
    x = 158,205.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.