Home / 211,190.16-291,434.94-115,695.96

Finding the Fourth Proportional to 211,190.16, 291,434.94 and 115,695.96

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Solution

The fourth proportional to 211,190.16, 291,434.94 and 115,695.96 is: 159,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,190.16 : 291,434.94 = 115,695.96 : x
  2. Step 2: Convert to fraction form
    211,190.16/291,434.94 = 115,695.96/x
  3. Step 3: Cross multiply
    211,190.16x = 291,434.94 × 115,695.96
  4. Step 4: Simplify right side
    211,190.16x = 33,717,845,160.84
  5. Step 5: Solve for x
    x = 33,717,845,160.84/211,190.16
  6. Step 6: Final answer
    x = 159,656.33

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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.