Home / 133,981.68-184,856.82-86,262.66

Finding the Fourth Proportional to 133,981.68, 184,856.82 and 86,262.66

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Solution

The fourth proportional to 133,981.68, 184,856.82 and 86,262.66 is: 119,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,981.68 : 184,856.82 = 86,262.66 : x
  2. Step 2: Convert to fraction form
    133,981.68/184,856.82 = 86,262.66/x
  3. Step 3: Cross multiply
    133,981.68x = 184,856.82 × 86,262.66
  4. Step 4: Simplify right side
    133,981.68x = 15,946,241,012.34
  5. Step 5: Solve for x
    x = 15,946,241,012.34/133,981.68
  6. Step 6: Final answer
    x = 119,018.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.