Home / 166,152.20-249,228.30-147,781.40

Finding the Fourth Proportional to 166,152.20, 249,228.30 and 147,781.40

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Solution

The fourth proportional to 166,152.20, 249,228.30 and 147,781.40 is: 221,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,152.20 : 249,228.30 = 147,781.40 : x
  2. Step 2: Convert to fraction form
    166,152.20/249,228.30 = 147,781.40/x
  3. Step 3: Cross multiply
    166,152.20x = 249,228.30 × 147,781.40
  4. Step 4: Simplify right side
    166,152.20x = 36,831,307,093.62
  5. Step 5: Solve for x
    x = 36,831,307,093.62/166,152.20
  6. Step 6: Final answer
    x = 221,672.10

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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.