Home / 233,941.92-322,834.46-138,450.21

Finding the Fourth Proportional to 233,941.92, 322,834.46 and 138,450.21

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Solution

The fourth proportional to 233,941.92, 322,834.46 and 138,450.21 is: 191,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,941.92 : 322,834.46 = 138,450.21 : x
  2. Step 2: Convert to fraction form
    233,941.92/322,834.46 = 138,450.21/x
  3. Step 3: Cross multiply
    233,941.92x = 322,834.46 × 138,450.21
  4. Step 4: Simplify right side
    233,941.92x = 44,696,498,089.99
  5. Step 5: Solve for x
    x = 44,696,498,089.99/233,941.92
  6. Step 6: Final answer
    x = 191,058.10

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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.