Home / 122,246.10-183,477.15-72,263.70

Finding the Fourth Proportional to 122,246.10, 183,477.15 and 72,263.70

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Solution

The fourth proportional to 122,246.10, 183,477.15 and 72,263.70 is: 108,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,246.10 : 183,477.15 = 72,263.70 : x
  2. Step 2: Convert to fraction form
    122,246.10/183,477.15 = 72,263.70/x
  3. Step 3: Cross multiply
    122,246.10x = 183,477.15 × 72,263.70
  4. Step 4: Simplify right side
    122,246.10x = 13,258,737,724.46
  5. Step 5: Solve for x
    x = 13,258,737,724.46/122,246.10
  6. Step 6: Final answer
    x = 108,459.39

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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.