Home / 452,616.16-679,011.60-172,111.48

Finding the Fourth Proportional to 452,616.16, 679,011.60 and 172,111.48

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Solution

The fourth proportional to 452,616.16, 679,011.60 and 172,111.48 is: 258,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,616.16 : 679,011.60 = 172,111.48 : x
  2. Step 2: Convert to fraction form
    452,616.16/679,011.60 = 172,111.48/x
  3. Step 3: Cross multiply
    452,616.16x = 679,011.60 × 172,111.48
  4. Step 4: Simplify right side
    452,616.16x = 116,865,691,413.17
  5. Step 5: Solve for x
    x = 116,865,691,413.17/452,616.16
  6. Step 6: Final answer
    x = 258,200.44

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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.