Home / 314,973.10-471,636.07-172,522.04

Finding the Fourth Proportional to 314,973.10, 471,636.07 and 172,522.04

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Solution

The fourth proportional to 314,973.10, 471,636.07 and 172,522.04 is: 258,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,973.10 : 471,636.07 = 172,522.04 : x
  2. Step 2: Convert to fraction form
    314,973.10/471,636.07 = 172,522.04/x
  3. Step 3: Cross multiply
    314,973.10x = 471,636.07 × 172,522.04
  4. Step 4: Simplify right side
    314,973.10x = 81,367,616,933.98
  5. Step 5: Solve for x
    x = 81,367,616,933.98/314,973.10
  6. Step 6: Final answer
    x = 258,331.96

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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.