Home / 106,280.82-159,365.87-39,666.17

Finding the Fourth Proportional to 106,280.82, 159,365.87 and 39,666.17

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Solution

The fourth proportional to 106,280.82, 159,365.87 and 39,666.17 is: 59,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,280.82 : 159,365.87 = 39,666.17 : x
  2. Step 2: Convert to fraction form
    106,280.82/159,365.87 = 39,666.17/x
  3. Step 3: Cross multiply
    106,280.82x = 159,365.87 × 39,666.17
  4. Step 4: Simplify right side
    106,280.82x = 6,321,432,894.79
  5. Step 5: Solve for x
    x = 6,321,432,894.79/106,280.82
  6. Step 6: Final answer
    x = 59,478.59

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1.5x scale

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.