Home / 154,066.32-230,948.28-79,222.32

Finding the Fourth Proportional to 154,066.32, 230,948.28 and 79,222.32

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Solution

The fourth proportional to 154,066.32, 230,948.28 and 79,222.32 is: 118,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,066.32 : 230,948.28 = 79,222.32 : x
  2. Step 2: Convert to fraction form
    154,066.32/230,948.28 = 79,222.32/x
  3. Step 3: Cross multiply
    154,066.32x = 230,948.28 × 79,222.32
  4. Step 4: Simplify right side
    154,066.32x = 18,296,258,541.61
  5. Step 5: Solve for x
    x = 18,296,258,541.61/154,066.32
  6. Step 6: Final answer
    x = 118,755.73

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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.