Home / 166,638.36-249,981.27-61,449.15

Finding the Fourth Proportional to 166,638.36, 249,981.27 and 61,449.15

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Solution

The fourth proportional to 166,638.36, 249,981.27 and 61,449.15 is: 92,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,638.36 : 249,981.27 = 61,449.15 : x
  2. Step 2: Convert to fraction form
    166,638.36/249,981.27 = 61,449.15/x
  3. Step 3: Cross multiply
    166,638.36x = 249,981.27 × 61,449.15
  4. Step 4: Simplify right side
    166,638.36x = 15,361,136,557.42
  5. Step 5: Solve for x
    x = 15,361,136,557.42/166,638.36
  6. Step 6: Final answer
    x = 92,182.48

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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.