Home / 122,044.76-168,334.80-112,005.62

Finding the Fourth Proportional to 122,044.76, 168,334.80 and 112,005.62

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Solution

The fourth proportional to 122,044.76, 168,334.80 and 112,005.62 is: 154,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044.76 : 168,334.80 = 112,005.62 : x
  2. Step 2: Convert to fraction form
    122,044.76/168,334.80 = 112,005.62/x
  3. Step 3: Cross multiply
    122,044.76x = 168,334.80 × 112,005.62
  4. Step 4: Simplify right side
    122,044.76x = 18,854,443,641.58
  5. Step 5: Solve for x
    x = 18,854,443,641.58/122,044.76
  6. Step 6: Final answer
    x = 154,487.94

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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.