Home / 211,206.72-291,465.50-114,410.80

Finding the Fourth Proportional to 211,206.72, 291,465.50 and 114,410.80

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Solution

The fourth proportional to 211,206.72, 291,465.50 and 114,410.80 is: 157,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,206.72 : 291,465.50 = 114,410.80 : x
  2. Step 2: Convert to fraction form
    211,206.72/291,465.50 = 114,410.80/x
  3. Step 3: Cross multiply
    211,206.72x = 291,465.50 × 114,410.80
  4. Step 4: Simplify right side
    211,206.72x = 33,346,801,027.40
  5. Step 5: Solve for x
    x = 33,346,801,027.40/211,206.72
  6. Step 6: Final answer
    x = 157,887.03

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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.