Home / 112,379.15-168,512.30-37,472.78

Finding the Fourth Proportional to 112,379.15, 168,512.30 and 37,472.78

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Solution

The fourth proportional to 112,379.15, 168,512.30 and 37,472.78 is: 56,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,379.15 : 168,512.30 = 37,472.78 : x
  2. Step 2: Convert to fraction form
    112,379.15/168,512.30 = 37,472.78/x
  3. Step 3: Cross multiply
    112,379.15x = 168,512.30 × 37,472.78
  4. Step 4: Simplify right side
    112,379.15x = 6,314,624,345.19
  5. Step 5: Solve for x
    x = 6,314,624,345.19/112,379.15
  6. Step 6: Final answer
    x = 56,190.36

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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.