Home / 144,896.10-216,998.55-70,937.70

Finding the Fourth Proportional to 144,896.10, 216,998.55 and 70,937.70

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Solution

The fourth proportional to 144,896.10, 216,998.55 and 70,937.70 is: 106,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896.10 : 216,998.55 = 70,937.70 : x
  2. Step 2: Convert to fraction form
    144,896.10/216,998.55 = 70,937.70/x
  3. Step 3: Cross multiply
    144,896.10x = 216,998.55 × 70,937.70
  4. Step 4: Simplify right side
    144,896.10x = 15,393,378,040.34
  5. Step 5: Solve for x
    x = 15,393,378,040.34/144,896.10
  6. Step 6: Final answer
    x = 106,237.35

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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.