Home / 112,859.46-168,294.65-111,847.64

Finding the Fourth Proportional to 112,859.46, 168,294.65 and 111,847.64

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Solution

The fourth proportional to 112,859.46, 168,294.65 and 111,847.64 is: 166,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,859.46 : 168,294.65 = 111,847.64 : x
  2. Step 2: Convert to fraction form
    112,859.46/168,294.65 = 111,847.64/x
  3. Step 3: Cross multiply
    112,859.46x = 168,294.65 × 111,847.64
  4. Step 4: Simplify right side
    112,859.46x = 18,823,358,026.41
  5. Step 5: Solve for x
    x = 18,823,358,026.41/112,859.46
  6. Step 6: Final answer
    x = 166,785.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.