Home / 226,540.49-312,673.45-143,700.89

Finding the Fourth Proportional to 226,540.49, 312,673.45 and 143,700.89

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Solution

The fourth proportional to 226,540.49, 312,673.45 and 143,700.89 is: 198,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.49 : 312,673.45 = 143,700.89 : x
  2. Step 2: Convert to fraction form
    226,540.49/312,673.45 = 143,700.89/x
  3. Step 3: Cross multiply
    226,540.49x = 312,673.45 × 143,700.89
  4. Step 4: Simplify right side
    226,540.49x = 44,931,452,325.87
  5. Step 5: Solve for x
    x = 44,931,452,325.87/226,540.49
  6. Step 6: Final answer
    x = 198,337.40

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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.