Home / 191,391.66-287,130.47-58,282.43

Finding the Fourth Proportional to 191,391.66, 287,130.47 and 58,282.43

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Solution

The fourth proportional to 191,391.66, 287,130.47 and 58,282.43 is: 87,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,391.66 : 287,130.47 = 58,282.43 : x
  2. Step 2: Convert to fraction form
    191,391.66/287,130.47 = 58,282.43/x
  3. Step 3: Cross multiply
    191,391.66x = 287,130.47 × 58,282.43
  4. Step 4: Simplify right side
    191,391.66x = 16,734,659,791.58
  5. Step 5: Solve for x
    x = 16,734,659,791.58/191,391.66
  6. Step 6: Final answer
    x = 87,436.72

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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.