Home / 133,928.84-184,946.28-86,264.12

Finding the Fourth Proportional to 133,928.84, 184,946.28 and 86,264.12

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Solution

The fourth proportional to 133,928.84, 184,946.28 and 86,264.12 is: 119,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,928.84 : 184,946.28 = 86,264.12 : x
  2. Step 2: Convert to fraction form
    133,928.84/184,946.28 = 86,264.12/x
  3. Step 3: Cross multiply
    133,928.84x = 184,946.28 × 86,264.12
  4. Step 4: Simplify right side
    133,928.84x = 15,954,228,091.47
  5. Step 5: Solve for x
    x = 15,954,228,091.47/133,928.84
  6. Step 6: Final answer
    x = 119,124.66

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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.