Home / 135,881.06-187,533.15-82,166.46

Finding the Fourth Proportional to 135,881.06, 187,533.15 and 82,166.46

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Solution

The fourth proportional to 135,881.06, 187,533.15 and 82,166.46 is: 113,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881.06 : 187,533.15 = 82,166.46 : x
  2. Step 2: Convert to fraction form
    135,881.06/187,533.15 = 82,166.46/x
  3. Step 3: Cross multiply
    135,881.06x = 187,533.15 × 82,166.46
  4. Step 4: Simplify right side
    135,881.06x = 15,408,935,068.15
  5. Step 5: Solve for x
    x = 15,408,935,068.15/135,881.06
  6. Step 6: Final answer
    x = 113,400.17

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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.