Home / 211,600.26-291,987.09-126,715.14

Finding the Fourth Proportional to 211,600.26, 291,987.09 and 126,715.14

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Solution

The fourth proportional to 211,600.26, 291,987.09 and 126,715.14 is: 174,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,600.26 : 291,987.09 = 126,715.14 : x
  2. Step 2: Convert to fraction form
    211,600.26/291,987.09 = 126,715.14/x
  3. Step 3: Cross multiply
    211,600.26x = 291,987.09 × 126,715.14
  4. Step 4: Simplify right side
    211,600.26x = 36,999,184,987.54
  5. Step 5: Solve for x
    x = 36,999,184,987.54/211,600.26
  6. Step 6: Final answer
    x = 174,854.16

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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.