Home / 114,243.40-171,394.67-66,898.50

Finding the Fourth Proportional to 114,243.40, 171,394.67 and 66,898.50

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Solution

The fourth proportional to 114,243.40, 171,394.67 and 66,898.50 is: 100,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,243.40 : 171,394.67 = 66,898.50 : x
  2. Step 2: Convert to fraction form
    114,243.40/171,394.67 = 66,898.50/x
  3. Step 3: Cross multiply
    114,243.40x = 171,394.67 × 66,898.50
  4. Step 4: Simplify right side
    114,243.40x = 11,466,046,331.00
  5. Step 5: Solve for x
    x = 11,466,046,331.00/114,243.40
  6. Step 6: Final answer
    x = 100,365.07

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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.