Home / 245,194.29-338,519.07-194,412.15

Finding the Fourth Proportional to 245,194.29, 338,519.07 and 194,412.15

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Solution

The fourth proportional to 245,194.29, 338,519.07 and 194,412.15 is: 268,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,194.29 : 338,519.07 = 194,412.15 : x
  2. Step 2: Convert to fraction form
    245,194.29/338,519.07 = 194,412.15/x
  3. Step 3: Cross multiply
    245,194.29x = 338,519.07 × 194,412.15
  4. Step 4: Simplify right side
    245,194.29x = 65,812,218,522.11
  5. Step 5: Solve for x
    x = 65,812,218,522.11/245,194.29
  6. Step 6: Final answer
    x = 268,408.45

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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.