Home / 216,041.40-298,249.23-157,832.86

Finding the Fourth Proportional to 216,041.40, 298,249.23 and 157,832.86

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Solution

The fourth proportional to 216,041.40, 298,249.23 and 157,832.86 is: 217,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,041.40 : 298,249.23 = 157,832.86 : x
  2. Step 2: Convert to fraction form
    216,041.40/298,249.23 = 157,832.86/x
  3. Step 3: Cross multiply
    216,041.40x = 298,249.23 × 157,832.86
  4. Step 4: Simplify right side
    216,041.40x = 47,073,528,963.70
  5. Step 5: Solve for x
    x = 47,073,528,963.70/216,041.40
  6. Step 6: Final answer
    x = 217,891.24

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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.