Home / 109,818.24-151,381.44-67,297.92

Finding the Fourth Proportional to 109,818.24, 151,381.44 and 67,297.92

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Solution

The fourth proportional to 109,818.24, 151,381.44 and 67,297.92 is: 92,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.24 : 151,381.44 = 67,297.92 : x
  2. Step 2: Convert to fraction form
    109,818.24/151,381.44 = 67,297.92/x
  3. Step 3: Cross multiply
    109,818.24x = 151,381.44 × 67,297.92
  4. Step 4: Simplify right side
    109,818.24x = 10,187,656,038.60
  5. Step 5: Solve for x
    x = 10,187,656,038.60/109,818.24
  6. Step 6: Final answer
    x = 92,768.34

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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.