Home / 179,049.75-247,090.71-98,478.60

Finding the Fourth Proportional to 179,049.75, 247,090.71 and 98,478.60

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Solution

The fourth proportional to 179,049.75, 247,090.71 and 98,478.60 is: 135,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,049.75 : 247,090.71 = 98,478.60 : x
  2. Step 2: Convert to fraction form
    179,049.75/247,090.71 = 98,478.60/x
  3. Step 3: Cross multiply
    179,049.75x = 247,090.71 × 98,478.60
  4. Step 4: Simplify right side
    179,049.75x = 24,333,147,193.81
  5. Step 5: Solve for x
    x = 24,333,147,193.81/179,049.75
  6. Step 6: Final answer
    x = 135,901.60

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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.