Home / 211,082.19-291,282.55-115,570.41

Finding the Fourth Proportional to 211,082.19, 291,282.55 and 115,570.41

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Solution

The fourth proportional to 211,082.19, 291,282.55 and 115,570.41 is: 159,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,082.19 : 291,282.55 = 115,570.41 : x
  2. Step 2: Convert to fraction form
    211,082.19/291,282.55 = 115,570.41/x
  3. Step 3: Cross multiply
    211,082.19x = 291,282.55 × 115,570.41
  4. Step 4: Simplify right side
    211,082.19x = 33,663,643,729.35
  5. Step 5: Solve for x
    x = 33,663,643,729.35/211,082.19
  6. Step 6: Final answer
    x = 159,481.21

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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.