Home / 191,644.28-287,617.08-132,893.36

Finding the Fourth Proportional to 191,644.28, 287,617.08 and 132,893.36

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Solution

The fourth proportional to 191,644.28, 287,617.08 and 132,893.36 is: 199,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,644.28 : 287,617.08 = 132,893.36 : x
  2. Step 2: Convert to fraction form
    191,644.28/287,617.08 = 132,893.36/x
  3. Step 3: Cross multiply
    191,644.28x = 287,617.08 × 132,893.36
  4. Step 4: Simplify right side
    191,644.28x = 38,222,400,154.59
  5. Step 5: Solve for x
    x = 38,222,400,154.59/191,644.28
  6. Step 6: Final answer
    x = 199,444.51

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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.