Home / 166,117.40-249,135.60-47,776.40

Finding the Fourth Proportional to 166,117.40, 249,135.60 and 47,776.40

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Solution

The fourth proportional to 166,117.40, 249,135.60 and 47,776.40 is: 71,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,117.40 : 249,135.60 = 47,776.40 : x
  2. Step 2: Convert to fraction form
    166,117.40/249,135.60 = 47,776.40/x
  3. Step 3: Cross multiply
    166,117.40x = 249,135.60 × 47,776.40
  4. Step 4: Simplify right side
    166,117.40x = 11,902,802,079.84
  5. Step 5: Solve for x
    x = 11,902,802,079.84/166,117.40
  6. Step 6: Final answer
    x = 71,652.95

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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.