Home / 166,148.20-249,246.60-53,809.30

Finding the Fourth Proportional to 166,148.20, 249,246.60 and 53,809.30

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Solution

The fourth proportional to 166,148.20, 249,246.60 and 53,809.30 is: 80,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,148.20 : 249,246.60 = 53,809.30 : x
  2. Step 2: Convert to fraction form
    166,148.20/249,246.60 = 53,809.30/x
  3. Step 3: Cross multiply
    166,148.20x = 249,246.60 × 53,809.30
  4. Step 4: Simplify right side
    166,148.20x = 13,411,785,073.38
  5. Step 5: Solve for x
    x = 13,411,785,073.38/166,148.20
  6. Step 6: Final answer
    x = 80,721.82

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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.