Home / 272,926.13-409,451.51-83,413.46

Finding the Fourth Proportional to 272,926.13, 409,451.51 and 83,413.46

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Solution

The fourth proportional to 272,926.13, 409,451.51 and 83,413.46 is: 125,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,926.13 : 409,451.51 = 83,413.46 : x
  2. Step 2: Convert to fraction form
    272,926.13/409,451.51 = 83,413.46/x
  3. Step 3: Cross multiply
    272,926.13x = 409,451.51 × 83,413.46
  4. Step 4: Simplify right side
    272,926.13x = 34,153,767,757.89
  5. Step 5: Solve for x
    x = 34,153,767,757.89/272,926.13
  6. Step 6: Final answer
    x = 125,139.24

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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.