Home / 112,378.15-168,510.80-37,471.78

Finding the Fourth Proportional to 112,378.15, 168,510.80 and 37,471.78

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Solution

The fourth proportional to 112,378.15, 168,510.80 and 37,471.78 is: 56,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.15 : 168,510.80 = 37,471.78 : x
  2. Step 2: Convert to fraction form
    112,378.15/168,510.80 = 37,471.78/x
  3. Step 3: Cross multiply
    112,378.15x = 168,510.80 × 37,471.78
  4. Step 4: Simplify right side
    112,378.15x = 6,314,399,625.22
  5. Step 5: Solve for x
    x = 6,314,399,625.22/112,378.15
  6. Step 6: Final answer
    x = 56,188.86

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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.