Home / 154,095.90-231,489.45-148,220.70

Finding the Fourth Proportional to 154,095.90, 231,489.45 and 148,220.70

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Solution

The fourth proportional to 154,095.90, 231,489.45 and 148,220.70 is: 222,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095.90 : 231,489.45 = 148,220.70 : x
  2. Step 2: Convert to fraction form
    154,095.90/231,489.45 = 148,220.70/x
  3. Step 3: Cross multiply
    154,095.90x = 231,489.45 × 148,220.70
  4. Step 4: Simplify right side
    154,095.90x = 34,311,528,321.62
  5. Step 5: Solve for x
    x = 34,311,528,321.62/154,095.90
  6. Step 6: Final answer
    x = 222,663.47

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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.