Home / 122,223.40-168,673.02-68,508.76

Finding the Fourth Proportional to 122,223.40, 168,673.02 and 68,508.76

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Solution

The fourth proportional to 122,223.40, 168,673.02 and 68,508.76 is: 94,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223.40 : 168,673.02 = 68,508.76 : x
  2. Step 2: Convert to fraction form
    122,223.40/168,673.02 = 68,508.76/x
  3. Step 3: Cross multiply
    122,223.40x = 168,673.02 × 68,508.76
  4. Step 4: Simplify right side
    122,223.40x = 11,555,579,445.66
  5. Step 5: Solve for x
    x = 11,555,579,445.66/122,223.40
  6. Step 6: Final answer
    x = 94,544.74

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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.