Home / 122,568.30-183,852.45-69,983.10

Finding the Fourth Proportional to 122,568.30, 183,852.45 and 69,983.10

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Solution

The fourth proportional to 122,568.30, 183,852.45 and 69,983.10 is: 104,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.30 : 183,852.45 = 69,983.10 : x
  2. Step 2: Convert to fraction form
    122,568.30/183,852.45 = 69,983.10/x
  3. Step 3: Cross multiply
    122,568.30x = 183,852.45 × 69,983.10
  4. Step 4: Simplify right side
    122,568.30x = 12,866,564,393.60
  5. Step 5: Solve for x
    x = 12,866,564,393.60/122,568.30
  6. Step 6: Final answer
    x = 104,974.65

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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.