Home / 166,038.25-249,190.10-86,098.94

Finding the Fourth Proportional to 166,038.25, 249,190.10 and 86,098.94

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Solution

The fourth proportional to 166,038.25, 249,190.10 and 86,098.94 is: 129,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,038.25 : 249,190.10 = 86,098.94 : x
  2. Step 2: Convert to fraction form
    166,038.25/249,190.10 = 86,098.94/x
  3. Step 3: Cross multiply
    166,038.25x = 249,190.10 × 86,098.94
  4. Step 4: Simplify right side
    166,038.25x = 21,455,003,468.49
  5. Step 5: Solve for x
    x = 21,455,003,468.49/166,038.25
  6. Step 6: Final answer
    x = 129,217.23

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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.