Home / 242,087.50-334,080.75-136,103.50

Finding the Fourth Proportional to 242,087.50, 334,080.75 and 136,103.50

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Solution

The fourth proportional to 242,087.50, 334,080.75 and 136,103.50 is: 187,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,087.50 : 334,080.75 = 136,103.50 : x
  2. Step 2: Convert to fraction form
    242,087.50/334,080.75 = 136,103.50/x
  3. Step 3: Cross multiply
    242,087.50x = 334,080.75 × 136,103.50
  4. Step 4: Simplify right side
    242,087.50x = 45,469,559,357.63
  5. Step 5: Solve for x
    x = 45,469,559,357.63/242,087.50
  6. Step 6: Final answer
    x = 187,822.83

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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.