Home / 166,148.75-249,223.13-49,412.75

Finding the Fourth Proportional to 166,148.75, 249,223.13 and 49,412.75

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Solution

The fourth proportional to 166,148.75, 249,223.13 and 49,412.75 is: 74,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,148.75 : 249,223.13 = 49,412.75 : x
  2. Step 2: Convert to fraction form
    166,148.75/249,223.13 = 49,412.75/x
  3. Step 3: Cross multiply
    166,148.75x = 249,223.13 × 49,412.75
  4. Step 4: Simplify right side
    166,148.75x = 12,314,799,969.84
  5. Step 5: Solve for x
    x = 12,314,799,969.84/166,148.75
  6. Step 6: Final answer
    x = 74,119.13

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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.