Home / 191,849.56-287,528.06-91,859.92

Finding the Fourth Proportional to 191,849.56, 287,528.06 and 91,859.92

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Solution

The fourth proportional to 191,849.56, 287,528.06 and 91,859.92 is: 137,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,849.56 : 287,528.06 = 91,859.92 : x
  2. Step 2: Convert to fraction form
    191,849.56/287,528.06 = 91,859.92/x
  3. Step 3: Cross multiply
    191,849.56x = 287,528.06 × 91,859.92
  4. Step 4: Simplify right side
    191,849.56x = 26,412,304,100.18
  5. Step 5: Solve for x
    x = 26,412,304,100.18/191,849.56
  6. Step 6: Final answer
    x = 137,671.96

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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.