Home / 122,277.28-168,742-68,562.24

Finding the Fourth Proportional to 122,277.28, 168,742 and 68,562.24

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Solution

The fourth proportional to 122,277.28, 168,742 and 68,562.24 is: 94,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,277.28 : 168,742 = 68,562.24 : x
  2. Step 2: Convert to fraction form
    122,277.28/168,742 = 68,562.24/x
  3. Step 3: Cross multiply
    122,277.28x = 168,742 × 68,562.24
  4. Step 4: Simplify right side
    122,277.28x = 11,569,329,502.08
  5. Step 5: Solve for x
    x = 11,569,329,502.08/122,277.28
  6. Step 6: Final answer
    x = 94,615.53

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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.