Home / 189,778.88-284,973.29-125,835.79

Finding the Fourth Proportional to 189,778.88, 284,973.29 and 125,835.79

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Solution

The fourth proportional to 189,778.88, 284,973.29 and 125,835.79 is: 188,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,778.88 : 284,973.29 = 125,835.79 : x
  2. Step 2: Convert to fraction form
    189,778.88/284,973.29 = 125,835.79/x
  3. Step 3: Cross multiply
    189,778.88x = 284,973.29 × 125,835.79
  4. Step 4: Simplify right side
    189,778.88x = 35,859,837,734.44
  5. Step 5: Solve for x
    x = 35,859,837,734.44/189,778.88
  6. Step 6: Final answer
    x = 188,955.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.