Home / 211,033.20-316,402.14-105,794.76

Finding the Fourth Proportional to 211,033.20, 316,402.14 and 105,794.76

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Solution

The fourth proportional to 211,033.20, 316,402.14 and 105,794.76 is: 158,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,033.20 : 316,402.14 = 105,794.76 : x
  2. Step 2: Convert to fraction form
    211,033.20/316,402.14 = 105,794.76/x
  3. Step 3: Cross multiply
    211,033.20x = 316,402.14 × 105,794.76
  4. Step 4: Simplify right side
    211,033.20x = 33,473,688,464.79
  5. Step 5: Solve for x
    x = 33,473,688,464.79/211,033.20
  6. Step 6: Final answer
    x = 158,618.12

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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.