Home / 166,368.57-249,651.14-87,488.88

Finding the Fourth Proportional to 166,368.57, 249,651.14 and 87,488.88

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Solution

The fourth proportional to 166,368.57, 249,651.14 and 87,488.88 is: 131,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,368.57 : 249,651.14 = 87,488.88 : x
  2. Step 2: Convert to fraction form
    166,368.57/249,651.14 = 87,488.88/x
  3. Step 3: Cross multiply
    166,368.57x = 249,651.14 × 87,488.88
  4. Step 4: Simplify right side
    166,368.57x = 21,841,698,191.88
  5. Step 5: Solve for x
    x = 21,841,698,191.88/166,368.57
  6. Step 6: Final answer
    x = 131,285.00

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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.