Home / 106,169.76-146,465.28-68,456.16

Finding the Fourth Proportional to 106,169.76, 146,465.28 and 68,456.16

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Solution

The fourth proportional to 106,169.76, 146,465.28 and 68,456.16 is: 94,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,169.76 : 146,465.28 = 68,456.16 : x
  2. Step 2: Convert to fraction form
    106,169.76/146,465.28 = 68,456.16/x
  3. Step 3: Cross multiply
    106,169.76x = 146,465.28 × 68,456.16
  4. Step 4: Simplify right side
    106,169.76x = 10,026,450,642.12
  5. Step 5: Solve for x
    x = 10,026,450,642.12/106,169.76
  6. Step 6: Final answer
    x = 94,437.91

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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.