Home / 211,143.24-316,715.10-63,399.24

Finding the Fourth Proportional to 211,143.24, 316,715.10 and 63,399.24

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Solution

The fourth proportional to 211,143.24, 316,715.10 and 63,399.24 is: 95,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,143.24 : 316,715.10 = 63,399.24 : x
  2. Step 2: Convert to fraction form
    211,143.24/316,715.10 = 63,399.24/x
  3. Step 3: Cross multiply
    211,143.24x = 316,715.10 × 63,399.24
  4. Step 4: Simplify right side
    211,143.24x = 20,079,496,636.52
  5. Step 5: Solve for x
    x = 20,079,496,636.52/211,143.24
  6. Step 6: Final answer
    x = 95,098.93

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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.