Home / 191,725.71-287,589.31-58,605.45

Finding the Fourth Proportional to 191,725.71, 287,589.31 and 58,605.45

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Solution

The fourth proportional to 191,725.71, 287,589.31 and 58,605.45 is: 87,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,725.71 : 287,589.31 = 58,605.45 : x
  2. Step 2: Convert to fraction form
    191,725.71/287,589.31 = 58,605.45/x
  3. Step 3: Cross multiply
    191,725.71x = 287,589.31 × 58,605.45
  4. Step 4: Simplify right side
    191,725.71x = 16,854,300,781.23
  5. Step 5: Solve for x
    x = 16,854,300,781.23/191,725.71
  6. Step 6: Final answer
    x = 87,908.40

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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.