Home / 112,189.61-168,285.85-37,309.76

Finding the Fourth Proportional to 112,189.61, 168,285.85 and 37,309.76

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Solution

The fourth proportional to 112,189.61, 168,285.85 and 37,309.76 is: 55,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,189.61 : 168,285.85 = 37,309.76 : x
  2. Step 2: Convert to fraction form
    112,189.61/168,285.85 = 37,309.76/x
  3. Step 3: Cross multiply
    112,189.61x = 168,285.85 × 37,309.76
  4. Step 4: Simplify right side
    112,189.61x = 6,278,705,527.74
  5. Step 5: Solve for x
    x = 6,278,705,527.74/112,189.61
  6. Step 6: Final answer
    x = 55,965.13

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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.