Home / 191,014.28-286,507.18-77,169.96

Finding the Fourth Proportional to 191,014.28, 286,507.18 and 77,169.96

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Solution

The fourth proportional to 191,014.28, 286,507.18 and 77,169.96 is: 115,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,014.28 : 286,507.18 = 77,169.96 : x
  2. Step 2: Convert to fraction form
    191,014.28/286,507.18 = 77,169.96/x
  3. Step 3: Cross multiply
    191,014.28x = 286,507.18 × 77,169.96
  4. Step 4: Simplify right side
    191,014.28x = 22,109,747,620.31
  5. Step 5: Solve for x
    x = 22,109,747,620.31/191,014.28
  6. Step 6: Final answer
    x = 115,749.19

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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.