Home / 268,900.74-371,197.80-191,426.40

Finding the Fourth Proportional to 268,900.74, 371,197.80 and 191,426.40

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Solution

The fourth proportional to 268,900.74, 371,197.80 and 191,426.40 is: 264,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,900.74 : 371,197.80 = 191,426.40 : x
  2. Step 2: Convert to fraction form
    268,900.74/371,197.80 = 191,426.40/x
  3. Step 3: Cross multiply
    268,900.74x = 371,197.80 × 191,426.40
  4. Step 4: Simplify right side
    268,900.74x = 71,057,058,541.92
  5. Step 5: Solve for x
    x = 71,057,058,541.92/268,900.74
  6. Step 6: Final answer
    x = 264,250.14

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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.