Home / 148,511.70-222,767.55-98,658.90

Finding the Fourth Proportional to 148,511.70, 222,767.55 and 98,658.90

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Solution

The fourth proportional to 148,511.70, 222,767.55 and 98,658.90 is: 147,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,511.70 : 222,767.55 = 98,658.90 : x
  2. Step 2: Convert to fraction form
    148,511.70/222,767.55 = 98,658.90/x
  3. Step 3: Cross multiply
    148,511.70x = 222,767.55 × 98,658.90
  4. Step 4: Simplify right side
    148,511.70x = 21,978,001,438.70
  5. Step 5: Solve for x
    x = 21,978,001,438.70/148,511.70
  6. Step 6: Final answer
    x = 147,988.35

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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.