Home / 211,536.72-291,919.05-116,042.76

Finding the Fourth Proportional to 211,536.72, 291,919.05 and 116,042.76

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Solution

The fourth proportional to 211,536.72, 291,919.05 and 116,042.76 is: 160,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,536.72 : 291,919.05 = 116,042.76 : x
  2. Step 2: Convert to fraction form
    211,536.72/291,919.05 = 116,042.76/x
  3. Step 3: Cross multiply
    211,536.72x = 291,919.05 × 116,042.76
  4. Step 4: Simplify right side
    211,536.72x = 33,875,092,258.58
  5. Step 5: Solve for x
    x = 33,875,092,258.58/211,536.72
  6. Step 6: Final answer
    x = 160,138.12

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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.