Home / 98,231.40-147,735.90-88,122.60

Finding the Fourth Proportional to 98,231.40, 147,735.90 and 88,122.60

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Solution

The fourth proportional to 98,231.40, 147,735.90 and 88,122.60 is: 132,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231.40 : 147,735.90 = 88,122.60 : x
  2. Step 2: Convert to fraction form
    98,231.40/147,735.90 = 88,122.60/x
  3. Step 3: Cross multiply
    98,231.40x = 147,735.90 × 88,122.60
  4. Step 4: Simplify right side
    98,231.40x = 13,018,871,621.34
  5. Step 5: Solve for x
    x = 13,018,871,621.34/98,231.40
  6. Step 6: Final answer
    x = 132,532.69

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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.