Home / 187,824.12-259,196.78-101,785.47

Finding the Fourth Proportional to 187,824.12, 259,196.78 and 101,785.47

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Solution

The fourth proportional to 187,824.12, 259,196.78 and 101,785.47 is: 140,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824.12 : 259,196.78 = 101,785.47 : x
  2. Step 2: Convert to fraction form
    187,824.12/259,196.78 = 101,785.47/x
  3. Step 3: Cross multiply
    187,824.12x = 259,196.78 × 101,785.47
  4. Step 4: Simplify right side
    187,824.12x = 26,382,465,565.86
  5. Step 5: Solve for x
    x = 26,382,465,565.86/187,824.12
  6. Step 6: Final answer
    x = 140,463.67

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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.