Home / 211,513.50-291,888.63-116,020.42

Finding the Fourth Proportional to 211,513.50, 291,888.63 and 116,020.42

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Solution

The fourth proportional to 211,513.50, 291,888.63 and 116,020.42 is: 160,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,513.50 : 291,888.63 = 116,020.42 : x
  2. Step 2: Convert to fraction form
    211,513.50/291,888.63 = 116,020.42/x
  3. Step 3: Cross multiply
    211,513.50x = 291,888.63 × 116,020.42
  4. Step 4: Simplify right side
    211,513.50x = 33,865,040,716.10
  5. Step 5: Solve for x
    x = 33,865,040,716.10/211,513.50
  6. Step 6: Final answer
    x = 160,108.18

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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.