Home / 191,011.85-286,517.78-171,984.95

Finding the Fourth Proportional to 191,011.85, 286,517.78 and 171,984.95

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Solution

The fourth proportional to 191,011.85, 286,517.78 and 171,984.95 is: 257,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.85 : 286,517.78 = 171,984.95 : x
  2. Step 2: Convert to fraction form
    191,011.85/286,517.78 = 171,984.95/x
  3. Step 3: Cross multiply
    191,011.85x = 286,517.78 × 171,984.95
  4. Step 4: Simplify right side
    191,011.85x = 49,276,745,207.49
  5. Step 5: Solve for x
    x = 49,276,745,207.49/191,011.85
  6. Step 6: Final answer
    x = 257,977.43

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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.