Home / 211,284.80-291,500.42-125,226.36

Finding the Fourth Proportional to 211,284.80, 291,500.42 and 125,226.36

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Solution

The fourth proportional to 211,284.80, 291,500.42 and 125,226.36 is: 172,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,284.80 : 291,500.42 = 125,226.36 : x
  2. Step 2: Convert to fraction form
    211,284.80/291,500.42 = 125,226.36/x
  3. Step 3: Cross multiply
    211,284.80x = 291,500.42 × 125,226.36
  4. Step 4: Simplify right side
    211,284.80x = 36,503,536,535.07
  5. Step 5: Solve for x
    x = 36,503,536,535.07/211,284.80
  6. Step 6: Final answer
    x = 172,769.35

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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.