Home / 238,863.21-329,521.01-154,007.61

Finding the Fourth Proportional to 238,863.21, 329,521.01 and 154,007.61

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Solution

The fourth proportional to 238,863.21, 329,521.01 and 154,007.61 is: 212,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,863.21 : 329,521.01 = 154,007.61 : x
  2. Step 2: Convert to fraction form
    238,863.21/329,521.01 = 154,007.61/x
  3. Step 3: Cross multiply
    238,863.21x = 329,521.01 × 154,007.61
  4. Step 4: Simplify right side
    238,863.21x = 50,748,742,424.85
  5. Step 5: Solve for x
    x = 50,748,742,424.85/238,863.21
  6. Step 6: Final answer
    x = 212,459.43

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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.