Home / 106,210.28-159,413.88-53,656.76

Finding the Fourth Proportional to 106,210.28, 159,413.88 and 53,656.76

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Solution

The fourth proportional to 106,210.28, 159,413.88 and 53,656.76 is: 80,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210.28 : 159,413.88 = 53,656.76 : x
  2. Step 2: Convert to fraction form
    106,210.28/159,413.88 = 53,656.76/x
  3. Step 3: Cross multiply
    106,210.28x = 159,413.88 × 53,656.76
  4. Step 4: Simplify right side
    106,210.28x = 8,553,632,299.83
  5. Step 5: Solve for x
    x = 8,553,632,299.83/106,210.28
  6. Step 6: Final answer
    x = 80,534.88

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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.