Home / 166,069.20-249,128.10-53,730.30

Finding the Fourth Proportional to 166,069.20, 249,128.10 and 53,730.30

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Solution

The fourth proportional to 166,069.20, 249,128.10 and 53,730.30 is: 80,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069.20 : 249,128.10 = 53,730.30 : x
  2. Step 2: Convert to fraction form
    166,069.20/249,128.10 = 53,730.30/x
  3. Step 3: Cross multiply
    166,069.20x = 249,128.10 × 53,730.30
  4. Step 4: Simplify right side
    166,069.20x = 13,385,727,551.43
  5. Step 5: Solve for x
    x = 13,385,727,551.43/166,069.20
  6. Step 6: Final answer
    x = 80,603.31

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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.