Home / 166,078.60-249,117.90-165,094.45

Finding the Fourth Proportional to 166,078.60, 249,117.90 and 165,094.45

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Solution

The fourth proportional to 166,078.60, 249,117.90 and 165,094.45 is: 247,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.60 : 249,117.90 = 165,094.45 : x
  2. Step 2: Convert to fraction form
    166,078.60/249,117.90 = 165,094.45/x
  3. Step 3: Cross multiply
    166,078.60x = 249,117.90 × 165,094.45
  4. Step 4: Simplify right side
    166,078.60x = 41,127,982,685.66
  5. Step 5: Solve for x
    x = 41,127,982,685.66/166,078.60
  6. Step 6: Final answer
    x = 247,641.68

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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.