Home / 191,416.12-286,808.22-111,228.98

Finding the Fourth Proportional to 191,416.12, 286,808.22 and 111,228.98

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Solution

The fourth proportional to 191,416.12, 286,808.22 and 111,228.98 is: 166,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,416.12 : 286,808.22 = 111,228.98 : x
  2. Step 2: Convert to fraction form
    191,416.12/286,808.22 = 111,228.98/x
  3. Step 3: Cross multiply
    191,416.12x = 286,808.22 × 111,228.98
  4. Step 4: Simplify right side
    191,416.12x = 31,901,385,766.22
  5. Step 5: Solve for x
    x = 31,901,385,766.22/191,416.12
  6. Step 6: Final answer
    x = 166,659.87

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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.