Home / 118,572.20-176,992.69-103,625

Finding the Fourth Proportional to 118,572.20, 176,992.69 and 103,625

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Solution

The fourth proportional to 118,572.20, 176,992.69 and 103,625 is: 154,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,572.20 : 176,992.69 = 103,625 : x
  2. Step 2: Convert to fraction form
    118,572.20/176,992.69 = 103,625/x
  3. Step 3: Cross multiply
    118,572.20x = 176,992.69 × 103,625
  4. Step 4: Simplify right side
    118,572.20x = 18,340,867,501.25
  5. Step 5: Solve for x
    x = 18,340,867,501.25/118,572.20
  6. Step 6: Final answer
    x = 154,681.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.