Home / 123,053.60-184,580.40-121,887.20

Finding the Fourth Proportional to 123,053.60, 184,580.40 and 121,887.20

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Solution

The fourth proportional to 123,053.60, 184,580.40 and 121,887.20 is: 182,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,053.60 : 184,580.40 = 121,887.20 : x
  2. Step 2: Convert to fraction form
    123,053.60/184,580.40 = 121,887.20/x
  3. Step 3: Cross multiply
    123,053.60x = 184,580.40 × 121,887.20
  4. Step 4: Simplify right side
    123,053.60x = 22,497,988,130.88
  5. Step 5: Solve for x
    x = 22,497,988,130.88/123,053.60
  6. Step 6: Final answer
    x = 182,830.80

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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.