Home / 189,923.69-284,569.26-133,645.55

Finding the Fourth Proportional to 189,923.69, 284,569.26 and 133,645.55

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Solution

The fourth proportional to 189,923.69, 284,569.26 and 133,645.55 is: 200,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923.69 : 284,569.26 = 133,645.55 : x
  2. Step 2: Convert to fraction form
    189,923.69/284,569.26 = 133,645.55/x
  3. Step 3: Cross multiply
    189,923.69x = 284,569.26 × 133,645.55
  4. Step 4: Simplify right side
    189,923.69x = 38,031,415,265.79
  5. Step 5: Solve for x
    x = 38,031,415,265.79/189,923.69
  6. Step 6: Final answer
    x = 200,245.77

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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.