Home / 166,590.56-249,902.16-54,265.76

Finding the Fourth Proportional to 166,590.56, 249,902.16 and 54,265.76

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Solution

The fourth proportional to 166,590.56, 249,902.16 and 54,265.76 is: 81,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,590.56 : 249,902.16 = 54,265.76 : x
  2. Step 2: Convert to fraction form
    166,590.56/249,902.16 = 54,265.76/x
  3. Step 3: Cross multiply
    166,590.56x = 249,902.16 × 54,265.76
  4. Step 4: Simplify right side
    166,590.56x = 13,561,130,638.04
  5. Step 5: Solve for x
    x = 13,561,130,638.04/166,590.56
  6. Step 6: Final answer
    x = 81,403.96

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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.