Home / 166,644.16-249,986.94-54,335.68

Finding the Fourth Proportional to 166,644.16, 249,986.94 and 54,335.68

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Solution

The fourth proportional to 166,644.16, 249,986.94 and 54,335.68 is: 81,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,644.16 : 249,986.94 = 54,335.68 : x
  2. Step 2: Convert to fraction form
    166,644.16/249,986.94 = 54,335.68/x
  3. Step 3: Cross multiply
    166,644.16x = 249,986.94 × 54,335.68
  4. Step 4: Simplify right side
    166,644.16x = 13,583,210,376.02
  5. Step 5: Solve for x
    x = 13,583,210,376.02/166,644.16
  6. Step 6: Final answer
    x = 81,510.27

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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.