Home / 211,497.90-291,766.50-126,598.56

Finding the Fourth Proportional to 211,497.90, 291,766.50 and 126,598.56

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Solution

The fourth proportional to 211,497.90, 291,766.50 and 126,598.56 is: 174,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,497.90 : 291,766.50 = 126,598.56 : x
  2. Step 2: Convert to fraction form
    211,497.90/291,766.50 = 126,598.56/x
  3. Step 3: Cross multiply
    211,497.90x = 291,766.50 × 126,598.56
  4. Step 4: Simplify right side
    211,497.90x = 36,937,218,756.24
  5. Step 5: Solve for x
    x = 36,937,218,756.24/211,497.90
  6. Step 6: Final answer
    x = 174,645.79

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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.