Home / 133,867.17-184,861.71-86,204.34

Finding the Fourth Proportional to 133,867.17, 184,861.71 and 86,204.34

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Solution

The fourth proportional to 133,867.17, 184,861.71 and 86,204.34 is: 119,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,867.17 : 184,861.71 = 86,204.34 : x
  2. Step 2: Convert to fraction form
    133,867.17/184,861.71 = 86,204.34/x
  3. Step 3: Cross multiply
    133,867.17x = 184,861.71 × 86,204.34
  4. Step 4: Simplify right side
    133,867.17x = 15,935,881,701.82
  5. Step 5: Solve for x
    x = 15,935,881,701.82/133,867.17
  6. Step 6: Final answer
    x = 119,042.49

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1.5x scale

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.