Home / 191,181.12-286,713.40-50,921.52

Finding the Fourth Proportional to 191,181.12, 286,713.40 and 50,921.52

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Solution

The fourth proportional to 191,181.12, 286,713.40 and 50,921.52 is: 76,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,181.12 : 286,713.40 = 50,921.52 : x
  2. Step 2: Convert to fraction form
    191,181.12/286,713.40 = 50,921.52/x
  3. Step 3: Cross multiply
    191,181.12x = 286,713.40 × 50,921.52
  4. Step 4: Simplify right side
    191,181.12x = 14,599,882,132.37
  5. Step 5: Solve for x
    x = 14,599,882,132.37/191,181.12
  6. Step 6: Final answer
    x = 76,366.76

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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.