Home / 282,249.85-389,501.50-153,188.55

Finding the Fourth Proportional to 282,249.85, 389,501.50 and 153,188.55

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Solution

The fourth proportional to 282,249.85, 389,501.50 and 153,188.55 is: 211,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,249.85 : 389,501.50 = 153,188.55 : x
  2. Step 2: Convert to fraction form
    282,249.85/389,501.50 = 153,188.55/x
  3. Step 3: Cross multiply
    282,249.85x = 389,501.50 × 153,188.55
  4. Step 4: Simplify right side
    282,249.85x = 59,667,170,007.83
  5. Step 5: Solve for x
    x = 59,667,170,007.83/282,249.85
  6. Step 6: Final answer
    x = 211,398.41

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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.