Home / 191,733.48-287,405.82-91,747.08

Finding the Fourth Proportional to 191,733.48, 287,405.82 and 91,747.08

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Solution

The fourth proportional to 191,733.48, 287,405.82 and 91,747.08 is: 137,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,733.48 : 287,405.82 = 91,747.08 : x
  2. Step 2: Convert to fraction form
    191,733.48/287,405.82 = 91,747.08/x
  3. Step 3: Cross multiply
    191,733.48x = 287,405.82 × 91,747.08
  4. Step 4: Simplify right side
    191,733.48x = 26,368,644,760.01
  5. Step 5: Solve for x
    x = 26,368,644,760.01/191,733.48
  6. Step 6: Final answer
    x = 137,527.60

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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.