Home / 314,972.10-471,634.57-172,521.04

Finding the Fourth Proportional to 314,972.10, 471,634.57 and 172,521.04

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Solution

The fourth proportional to 314,972.10, 471,634.57 and 172,521.04 is: 258,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972.10 : 471,634.57 = 172,521.04 : x
  2. Step 2: Convert to fraction form
    314,972.10/471,634.57 = 172,521.04/x
  3. Step 3: Cross multiply
    314,972.10x = 471,634.57 × 172,521.04
  4. Step 4: Simplify right side
    314,972.10x = 81,366,886,516.35
  5. Step 5: Solve for x
    x = 81,366,886,516.35/314,972.10
  6. Step 6: Final answer
    x = 258,330.46

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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.