Home / 211,202.17-316,776.82-69,035.55

Finding the Fourth Proportional to 211,202.17, 316,776.82 and 69,035.55

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Solution

The fourth proportional to 211,202.17, 316,776.82 and 69,035.55 is: 103,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,202.17 : 316,776.82 = 69,035.55 : x
  2. Step 2: Convert to fraction form
    211,202.17/316,776.82 = 69,035.55/x
  3. Step 3: Cross multiply
    211,202.17x = 316,776.82 × 69,035.55
  4. Step 4: Simplify right side
    211,202.17x = 21,868,861,995.95
  5. Step 5: Solve for x
    x = 21,868,861,995.95/211,202.17
  6. Step 6: Final answer
    x = 103,544.68

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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.