Home / 234,017.90-322,842.11-137,172.66

Finding the Fourth Proportional to 234,017.90, 322,842.11 and 137,172.66

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Solution

The fourth proportional to 234,017.90, 322,842.11 and 137,172.66 is: 189,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,017.90 : 322,842.11 = 137,172.66 : x
  2. Step 2: Convert to fraction form
    234,017.90/322,842.11 = 137,172.66/x
  3. Step 3: Cross multiply
    234,017.90x = 322,842.11 × 137,172.66
  4. Step 4: Simplify right side
    234,017.90x = 44,285,110,988.71
  5. Step 5: Solve for x
    x = 44,285,110,988.71/234,017.90
  6. Step 6: Final answer
    x = 189,238.14

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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.