Home / 191,169.18-285,140.54-166,011.39

Finding the Fourth Proportional to 191,169.18, 285,140.54 and 166,011.39

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Solution

The fourth proportional to 191,169.18, 285,140.54 and 166,011.39 is: 247,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,169.18 : 285,140.54 = 166,011.39 : x
  2. Step 2: Convert to fraction form
    191,169.18/285,140.54 = 166,011.39/x
  3. Step 3: Cross multiply
    191,169.18x = 285,140.54 × 166,011.39
  4. Step 4: Simplify right side
    191,169.18x = 47,336,576,560.69
  5. Step 5: Solve for x
    x = 47,336,576,560.69/191,169.18
  6. Step 6: Final answer
    x = 247,616.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.