Home / 123,053.40-184,580.10-100,891.80

Finding the Fourth Proportional to 123,053.40, 184,580.10 and 100,891.80

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Solution

The fourth proportional to 123,053.40, 184,580.10 and 100,891.80 is: 151,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,053.40 : 184,580.10 = 100,891.80 : x
  2. Step 2: Convert to fraction form
    123,053.40/184,580.10 = 100,891.80/x
  3. Step 3: Cross multiply
    123,053.40x = 184,580.10 × 100,891.80
  4. Step 4: Simplify right side
    123,053.40x = 18,622,618,533.18
  5. Step 5: Solve for x
    x = 18,622,618,533.18/123,053.40
  6. Step 6: Final answer
    x = 151,337.70

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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.