Home / 166,455.67-249,631.66-55,621.75

Finding the Fourth Proportional to 166,455.67, 249,631.66 and 55,621.75

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Solution

The fourth proportional to 166,455.67, 249,631.66 and 55,621.75 is: 83,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.67 : 249,631.66 = 55,621.75 : x
  2. Step 2: Convert to fraction form
    166,455.67/249,631.66 = 55,621.75/x
  3. Step 3: Cross multiply
    166,455.67x = 249,631.66 × 55,621.75
  4. Step 4: Simplify right side
    166,455.67x = 13,884,949,784.61
  5. Step 5: Solve for x
    x = 13,884,949,784.61/166,455.67
  6. Step 6: Final answer
    x = 83,415.30

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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.