Home / 211,189.04-291,439.37-114,390.71

Finding the Fourth Proportional to 211,189.04, 291,439.37 and 114,390.71

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Solution

The fourth proportional to 211,189.04, 291,439.37 and 114,390.71 is: 157,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,189.04 : 291,439.37 = 114,390.71 : x
  2. Step 2: Convert to fraction form
    211,189.04/291,439.37 = 114,390.71/x
  3. Step 3: Cross multiply
    211,189.04x = 291,439.37 × 114,390.71
  4. Step 4: Simplify right side
    211,189.04x = 33,337,957,373.83
  5. Step 5: Solve for x
    x = 33,337,957,373.83/211,189.04
  6. Step 6: Final answer
    x = 157,858.37

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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.