Home / 122,971.19-184,429.10-80,263.18

Finding the Fourth Proportional to 122,971.19, 184,429.10 and 80,263.18

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Solution

The fourth proportional to 122,971.19, 184,429.10 and 80,263.18 is: 120,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,971.19 : 184,429.10 = 80,263.18 : x
  2. Step 2: Convert to fraction form
    122,971.19/184,429.10 = 80,263.18/x
  3. Step 3: Cross multiply
    122,971.19x = 184,429.10 × 80,263.18
  4. Step 4: Simplify right side
    122,971.19x = 14,802,866,050.54
  5. Step 5: Solve for x
    x = 14,802,866,050.54/122,971.19
  6. Step 6: Final answer
    x = 120,376.70

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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.