Home / 157,221.60-235,616.40-100,888.80

Finding the Fourth Proportional to 157,221.60, 235,616.40 and 100,888.80

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Solution

The fourth proportional to 157,221.60, 235,616.40 and 100,888.80 is: 151,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,221.60 : 235,616.40 = 100,888.80 : x
  2. Step 2: Convert to fraction form
    157,221.60/235,616.40 = 100,888.80/x
  3. Step 3: Cross multiply
    157,221.60x = 235,616.40 × 100,888.80
  4. Step 4: Simplify right side
    157,221.60x = 23,771,055,856.32
  5. Step 5: Solve for x
    x = 23,771,055,856.32/157,221.60
  6. Step 6: Final answer
    x = 151,194.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.