Home / 166,231.12-249,311.04-47,880.40

Finding the Fourth Proportional to 166,231.12, 249,311.04 and 47,880.40

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Solution

The fourth proportional to 166,231.12, 249,311.04 and 47,880.40 is: 71,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,231.12 : 249,311.04 = 47,880.40 : x
  2. Step 2: Convert to fraction form
    166,231.12/249,311.04 = 47,880.40/x
  3. Step 3: Cross multiply
    166,231.12x = 249,311.04 × 47,880.40
  4. Step 4: Simplify right side
    166,231.12x = 11,937,112,319.62
  5. Step 5: Solve for x
    x = 11,937,112,319.62/166,231.12
  6. Step 6: Final answer
    x = 71,810.33

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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.