Home / 154,215.74-231,325.23-54,357.32

Finding the Fourth Proportional to 154,215.74, 231,325.23 and 54,357.32

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Solution

The fourth proportional to 154,215.74, 231,325.23 and 54,357.32 is: 81,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,215.74 : 231,325.23 = 54,357.32 : x
  2. Step 2: Convert to fraction form
    154,215.74/231,325.23 = 54,357.32/x
  3. Step 3: Cross multiply
    154,215.74x = 231,325.23 × 54,357.32
  4. Step 4: Simplify right side
    154,215.74x = 12,574,219,551.18
  5. Step 5: Solve for x
    x = 12,574,219,551.18/154,215.74
  6. Step 6: Final answer
    x = 81,536.55

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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.