Home / 211,416.75-291,908.21-136,096.47

Finding the Fourth Proportional to 211,416.75, 291,908.21 and 136,096.47

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Solution

The fourth proportional to 211,416.75, 291,908.21 and 136,096.47 is: 187,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.75 : 291,908.21 = 136,096.47 : x
  2. Step 2: Convert to fraction form
    211,416.75/291,908.21 = 136,096.47/x
  3. Step 3: Cross multiply
    211,416.75x = 291,908.21 × 136,096.47
  4. Step 4: Simplify right side
    211,416.75x = 39,727,676,264.54
  5. Step 5: Solve for x
    x = 39,727,676,264.54/211,416.75
  6. Step 6: Final answer
    x = 187,911.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.