Home / 191,977.38-288,011.52-86,796.18

Finding the Fourth Proportional to 191,977.38, 288,011.52 and 86,796.18

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Solution

The fourth proportional to 191,977.38, 288,011.52 and 86,796.18 is: 130,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,977.38 : 288,011.52 = 86,796.18 : x
  2. Step 2: Convert to fraction form
    191,977.38/288,011.52 = 86,796.18/x
  3. Step 3: Cross multiply
    191,977.38x = 288,011.52 × 86,796.18
  4. Step 4: Simplify right side
    191,977.38x = 24,998,299,731.99
  5. Step 5: Solve for x
    x = 24,998,299,731.99/191,977.38
  6. Step 6: Final answer
    x = 130,214.82

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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.