Home / 187,976.68-282,008.22-82,803.76

Finding the Fourth Proportional to 187,976.68, 282,008.22 and 82,803.76

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Solution

The fourth proportional to 187,976.68, 282,008.22 and 82,803.76 is: 124,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,976.68 : 282,008.22 = 82,803.76 : x
  2. Step 2: Convert to fraction form
    187,976.68/282,008.22 = 82,803.76/x
  3. Step 3: Cross multiply
    187,976.68x = 282,008.22 × 82,803.76
  4. Step 4: Simplify right side
    187,976.68x = 23,351,340,966.91
  5. Step 5: Solve for x
    x = 23,351,340,966.91/187,976.68
  6. Step 6: Final answer
    x = 124,224.67

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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.