Home / 166,642.35-249,963.51-91,723.92

Finding the Fourth Proportional to 166,642.35, 249,963.51 and 91,723.92

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Solution

The fourth proportional to 166,642.35, 249,963.51 and 91,723.92 is: 137,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,642.35 : 249,963.51 = 91,723.92 : x
  2. Step 2: Convert to fraction form
    166,642.35/249,963.51 = 91,723.92/x
  3. Step 3: Cross multiply
    166,642.35x = 249,963.51 × 91,723.92
  4. Step 4: Simplify right side
    166,642.35x = 22,927,632,994.16
  5. Step 5: Solve for x
    x = 22,927,632,994.16/166,642.35
  6. Step 6: Final answer
    x = 137,585.87

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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.