Home / 191,724.97-287,589.27-51,483.59

Finding the Fourth Proportional to 191,724.97, 287,589.27 and 51,483.59

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Solution

The fourth proportional to 191,724.97, 287,589.27 and 51,483.59 is: 77,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,724.97 : 287,589.27 = 51,483.59 : x
  2. Step 2: Convert to fraction form
    191,724.97/287,589.27 = 51,483.59/x
  3. Step 3: Cross multiply
    191,724.97x = 287,589.27 × 51,483.59
  4. Step 4: Simplify right side
    191,724.97x = 14,806,128,977.12
  5. Step 5: Solve for x
    x = 14,806,128,977.12/191,724.97
  6. Step 6: Final answer
    x = 77,225.88

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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.