Home / 98,801.64-148,202.30-28,680.94

Finding the Fourth Proportional to 98,801.64, 148,202.30 and 28,680.94

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Solution

The fourth proportional to 98,801.64, 148,202.30 and 28,680.94 is: 43,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,801.64 : 148,202.30 = 28,680.94 : x
  2. Step 2: Convert to fraction form
    98,801.64/148,202.30 = 28,680.94/x
  3. Step 3: Cross multiply
    98,801.64x = 148,202.30 × 28,680.94
  4. Step 4: Simplify right side
    98,801.64x = 4,250,581,274.16
  5. Step 5: Solve for x
    x = 4,250,581,274.16/98,801.64
  6. Step 6: Final answer
    x = 43,021.36

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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.