Home / 347,200.16-520,841.85-122,514.15

Finding the Fourth Proportional to 347,200.16, 520,841.85 and 122,514.15

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Solution

The fourth proportional to 347,200.16, 520,841.85 and 122,514.15 is: 183,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,200.16 : 520,841.85 = 122,514.15 : x
  2. Step 2: Convert to fraction form
    347,200.16/520,841.85 = 122,514.15/x
  3. Step 3: Cross multiply
    347,200.16x = 520,841.85 × 122,514.15
  4. Step 4: Simplify right side
    347,200.16x = 63,810,498,030.91
  5. Step 5: Solve for x
    x = 63,810,498,030.91/347,200.16
  6. Step 6: Final answer
    x = 183,785.91

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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.