Home / 122,209.44-168,631.92-68,490.24

Finding the Fourth Proportional to 122,209.44, 168,631.92 and 68,490.24

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Solution

The fourth proportional to 122,209.44, 168,631.92 and 68,490.24 is: 94,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,209.44 : 168,631.92 = 68,490.24 : x
  2. Step 2: Convert to fraction form
    122,209.44/168,631.92 = 68,490.24/x
  3. Step 3: Cross multiply
    122,209.44x = 168,631.92 × 68,490.24
  4. Step 4: Simplify right side
    122,209.44x = 11,549,640,672.46
  5. Step 5: Solve for x
    x = 11,549,640,672.46/122,209.44
  6. Step 6: Final answer
    x = 94,506.94

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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.