Home / 166,117.61-249,167.68-47,784.31

Finding the Fourth Proportional to 166,117.61, 249,167.68 and 47,784.31

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Solution

The fourth proportional to 166,117.61, 249,167.68 and 47,784.31 is: 71,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,117.61 : 249,167.68 = 47,784.31 : x
  2. Step 2: Convert to fraction form
    166,117.61/249,167.68 = 47,784.31/x
  3. Step 3: Cross multiply
    166,117.61x = 249,167.68 × 47,784.31
  4. Step 4: Simplify right side
    166,117.61x = 11,906,305,663.10
  5. Step 5: Solve for x
    x = 11,906,305,663.10/166,117.61
  6. Step 6: Final answer
    x = 71,673.95

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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.