Home / 211,507.08-291,887.94-116,017.80

Finding the Fourth Proportional to 211,507.08, 291,887.94 and 116,017.80

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Solution

The fourth proportional to 211,507.08, 291,887.94 and 116,017.80 is: 160,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,507.08 : 291,887.94 = 116,017.80 : x
  2. Step 2: Convert to fraction form
    211,507.08/291,887.94 = 116,017.80/x
  3. Step 3: Cross multiply
    211,507.08x = 291,887.94 × 116,017.80
  4. Step 4: Simplify right side
    211,507.08x = 33,864,196,645.33
  5. Step 5: Solve for x
    x = 33,864,196,645.33/211,507.08
  6. Step 6: Final answer
    x = 160,109.05

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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.