Home / 154,570.71-231,554.21-106,530.72

Finding the Fourth Proportional to 154,570.71, 231,554.21 and 106,530.72

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Solution

The fourth proportional to 154,570.71, 231,554.21 and 106,530.72 is: 159,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,570.71 : 231,554.21 = 106,530.72 : x
  2. Step 2: Convert to fraction form
    154,570.71/231,554.21 = 106,530.72/x
  3. Step 3: Cross multiply
    154,570.71x = 231,554.21 × 106,530.72
  4. Step 4: Simplify right side
    154,570.71x = 24,667,636,710.33
  5. Step 5: Solve for x
    x = 24,667,636,710.33/154,570.71
  6. Step 6: Final answer
    x = 159,588.05

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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.