Home / 226,088.40-338,689.20-131,119.06

Finding the Fourth Proportional to 226,088.40, 338,689.20 and 131,119.06

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Solution

The fourth proportional to 226,088.40, 338,689.20 and 131,119.06 is: 196,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,088.40 : 338,689.20 = 131,119.06 : x
  2. Step 2: Convert to fraction form
    226,088.40/338,689.20 = 131,119.06/x
  3. Step 3: Cross multiply
    226,088.40x = 338,689.20 × 131,119.06
  4. Step 4: Simplify right side
    226,088.40x = 44,408,610,031.19
  5. Step 5: Solve for x
    x = 44,408,610,031.19/226,088.40
  6. Step 6: Final answer
    x = 196,421.45

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1.5x scale

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.