Home / 222,304.32-306,737.76-131,636.16

Finding the Fourth Proportional to 222,304.32, 306,737.76 and 131,636.16

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Solution

The fourth proportional to 222,304.32, 306,737.76 and 131,636.16 is: 181,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,304.32 : 306,737.76 = 131,636.16 : x
  2. Step 2: Convert to fraction form
    222,304.32/306,737.76 = 131,636.16/x
  3. Step 3: Cross multiply
    222,304.32x = 306,737.76 × 131,636.16
  4. Step 4: Simplify right side
    222,304.32x = 40,377,780,853.40
  5. Step 5: Solve for x
    x = 40,377,780,853.40/222,304.32
  6. Step 6: Final answer
    x = 181,632.91

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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.