Home / 122,667.60-184,001.40-121,501.20

Finding the Fourth Proportional to 122,667.60, 184,001.40 and 121,501.20

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Solution

The fourth proportional to 122,667.60, 184,001.40 and 121,501.20 is: 182,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,667.60 : 184,001.40 = 121,501.20 : x
  2. Step 2: Convert to fraction form
    122,667.60/184,001.40 = 121,501.20/x
  3. Step 3: Cross multiply
    122,667.60x = 184,001.40 × 121,501.20
  4. Step 4: Simplify right side
    122,667.60x = 22,356,390,901.68
  5. Step 5: Solve for x
    x = 22,356,390,901.68/122,667.60
  6. Step 6: Final answer
    x = 182,251.80

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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.