Home / 211,107.42-316,661.04-53,335.83

Finding the Fourth Proportional to 211,107.42, 316,661.04 and 53,335.83

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Solution

The fourth proportional to 211,107.42, 316,661.04 and 53,335.83 is: 80,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,107.42 : 316,661.04 = 53,335.83 : x
  2. Step 2: Convert to fraction form
    211,107.42/316,661.04 = 53,335.83/x
  3. Step 3: Cross multiply
    211,107.42x = 316,661.04 × 53,335.83
  4. Step 4: Simplify right side
    211,107.42x = 16,889,379,397.06
  5. Step 5: Solve for x
    x = 16,889,379,397.06/211,107.42
  6. Step 6: Final answer
    x = 80,003.72

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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.