Home / 149,564.70-224,456.40-99,628.20

Finding the Fourth Proportional to 149,564.70, 224,456.40 and 99,628.20

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Solution

The fourth proportional to 149,564.70, 224,456.40 and 99,628.20 is: 149,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,564.70 : 224,456.40 = 99,628.20 : x
  2. Step 2: Convert to fraction form
    149,564.70/224,456.40 = 99,628.20/x
  3. Step 3: Cross multiply
    149,564.70x = 224,456.40 × 99,628.20
  4. Step 4: Simplify right side
    149,564.70x = 22,362,187,110.48
  5. Step 5: Solve for x
    x = 22,362,187,110.48/149,564.70
  6. Step 6: Final answer
    x = 149,515.14

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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.