Home / 161,976.60-223,431.48-126,109.80

Finding the Fourth Proportional to 161,976.60, 223,431.48 and 126,109.80

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Solution

The fourth proportional to 161,976.60, 223,431.48 and 126,109.80 is: 173,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,976.60 : 223,431.48 = 126,109.80 : x
  2. Step 2: Convert to fraction form
    161,976.60/223,431.48 = 126,109.80/x
  3. Step 3: Cross multiply
    161,976.60x = 223,431.48 × 126,109.80
  4. Step 4: Simplify right side
    161,976.60x = 28,176,899,256.50
  5. Step 5: Solve for x
    x = 28,176,899,256.50/161,976.60
  6. Step 6: Final answer
    x = 173,956.60

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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.