Home / 123,186.20-184,487.70-83,528.60

Finding the Fourth Proportional to 123,186.20, 184,487.70 and 83,528.60

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Solution

The fourth proportional to 123,186.20, 184,487.70 and 83,528.60 is: 125,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,186.20 : 184,487.70 = 83,528.60 : x
  2. Step 2: Convert to fraction form
    123,186.20/184,487.70 = 83,528.60/x
  3. Step 3: Cross multiply
    123,186.20x = 184,487.70 × 83,528.60
  4. Step 4: Simplify right side
    123,186.20x = 15,409,999,298.22
  5. Step 5: Solve for x
    x = 15,409,999,298.22/123,186.20
  6. Step 6: Final answer
    x = 125,095.18

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1.5x scale

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.