Home / 211,082.11-291,296.73-115,587.16

Finding the Fourth Proportional to 211,082.11, 291,296.73 and 115,587.16

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Solution

The fourth proportional to 211,082.11, 291,296.73 and 115,587.16 is: 159,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,082.11 : 291,296.73 = 115,587.16 : x
  2. Step 2: Convert to fraction form
    211,082.11/291,296.73 = 115,587.16/x
  3. Step 3: Cross multiply
    211,082.11x = 291,296.73 × 115,587.16
  4. Step 4: Simplify right side
    211,082.11x = 33,670,161,737.99
  5. Step 5: Solve for x
    x = 33,670,161,737.99/211,082.11
  6. Step 6: Final answer
    x = 159,512.15

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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.