Home / 211,191.03-291,372.36-120,483.18

Finding the Fourth Proportional to 211,191.03, 291,372.36 and 120,483.18

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Solution

The fourth proportional to 211,191.03, 291,372.36 and 120,483.18 is: 166,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,191.03 : 291,372.36 = 120,483.18 : x
  2. Step 2: Convert to fraction form
    211,191.03/291,372.36 = 120,483.18/x
  3. Step 3: Cross multiply
    211,191.03x = 291,372.36 × 120,483.18
  4. Step 4: Simplify right side
    211,191.03x = 35,105,468,496.90
  5. Step 5: Solve for x
    x = 35,105,468,496.90/211,191.03
  6. Step 6: Final answer
    x = 166,226.13

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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.