Home / 166,566.40-249,763.20-61,331.20

Finding the Fourth Proportional to 166,566.40, 249,763.20 and 61,331.20

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Solution

The fourth proportional to 166,566.40, 249,763.20 and 61,331.20 is: 91,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,566.40 : 249,763.20 = 61,331.20 : x
  2. Step 2: Convert to fraction form
    166,566.40/249,763.20 = 61,331.20/x
  3. Step 3: Cross multiply
    166,566.40x = 249,763.20 × 61,331.20
  4. Step 4: Simplify right side
    166,566.40x = 15,318,276,771.84
  5. Step 5: Solve for x
    x = 15,318,276,771.84/166,566.40
  6. Step 6: Final answer
    x = 91,964.99

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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.