Home / 141,821.10-212,760.45-48,336.30

Finding the Fourth Proportional to 141,821.10, 212,760.45 and 48,336.30

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Solution

The fourth proportional to 141,821.10, 212,760.45 and 48,336.30 is: 72,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.10 : 212,760.45 = 48,336.30 : x
  2. Step 2: Convert to fraction form
    141,821.10/212,760.45 = 48,336.30/x
  3. Step 3: Cross multiply
    141,821.10x = 212,760.45 × 48,336.30
  4. Step 4: Simplify right side
    141,821.10x = 10,284,052,939.34
  5. Step 5: Solve for x
    x = 10,284,052,939.34/141,821.10
  6. Step 6: Final answer
    x = 72,514.27

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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.