Home / 106,254.84-146,642.06-79,350.64

Finding the Fourth Proportional to 106,254.84, 146,642.06 and 79,350.64

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Solution

The fourth proportional to 106,254.84, 146,642.06 and 79,350.64 is: 109,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,254.84 : 146,642.06 = 79,350.64 : x
  2. Step 2: Convert to fraction form
    106,254.84/146,642.06 = 79,350.64/x
  3. Step 3: Cross multiply
    106,254.84x = 146,642.06 × 79,350.64
  4. Step 4: Simplify right side
    106,254.84x = 11,636,141,143.69
  5. Step 5: Solve for x
    x = 11,636,141,143.69/106,254.84
  6. Step 6: Final answer
    x = 109,511.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.