Home / 211,148.04-316,732.95-53,377.86

Finding the Fourth Proportional to 211,148.04, 316,732.95 and 53,377.86

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Solution

The fourth proportional to 211,148.04, 316,732.95 and 53,377.86 is: 80,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,148.04 : 316,732.95 = 53,377.86 : x
  2. Step 2: Convert to fraction form
    211,148.04/316,732.95 = 53,377.86/x
  3. Step 3: Cross multiply
    211,148.04x = 316,732.95 × 53,377.86
  4. Step 4: Simplify right side
    211,148.04x = 16,906,527,062.49
  5. Step 5: Solve for x
    x = 16,906,527,062.49/211,148.04
  6. Step 6: Final answer
    x = 80,069.54

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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.