Home / 122,970.06-184,323.69-87,803.10

Finding the Fourth Proportional to 122,970.06, 184,323.69 and 87,803.10

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Solution

The fourth proportional to 122,970.06, 184,323.69 and 87,803.10 is: 131,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,970.06 : 184,323.69 = 87,803.10 : x
  2. Step 2: Convert to fraction form
    122,970.06/184,323.69 = 87,803.10/x
  3. Step 3: Cross multiply
    122,970.06x = 184,323.69 × 87,803.10
  4. Step 4: Simplify right side
    122,970.06x = 16,184,191,385.44
  5. Step 5: Solve for x
    x = 16,184,191,385.44/122,970.06
  6. Step 6: Final answer
    x = 131,610.83

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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.