Home / 216,048.33-298,200.06-131,236.47

Finding the Fourth Proportional to 216,048.33, 298,200.06 and 131,236.47

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Solution

The fourth proportional to 216,048.33, 298,200.06 and 131,236.47 is: 181,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,048.33 : 298,200.06 = 131,236.47 : x
  2. Step 2: Convert to fraction form
    216,048.33/298,200.06 = 131,236.47/x
  3. Step 3: Cross multiply
    216,048.33x = 298,200.06 × 131,236.47
  4. Step 4: Simplify right side
    216,048.33x = 39,134,723,228.19
  5. Step 5: Solve for x
    x = 39,134,723,228.19/216,048.33
  6. Step 6: Final answer
    x = 181,138.74

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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.