Home / 217,828.04-300,567.40-136,146.66

Finding the Fourth Proportional to 217,828.04, 300,567.40 and 136,146.66

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Solution

The fourth proportional to 217,828.04, 300,567.40 and 136,146.66 is: 187,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,828.04 : 300,567.40 = 136,146.66 : x
  2. Step 2: Convert to fraction form
    217,828.04/300,567.40 = 136,146.66/x
  3. Step 3: Cross multiply
    217,828.04x = 300,567.40 × 136,146.66
  4. Step 4: Simplify right side
    217,828.04x = 40,921,247,614.88
  5. Step 5: Solve for x
    x = 40,921,247,614.88/217,828.04
  6. Step 6: Final answer
    x = 187,860.33

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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.