Home / 135,932.58-187,580.88-75,507.39

Finding the Fourth Proportional to 135,932.58, 187,580.88 and 75,507.39

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Solution

The fourth proportional to 135,932.58, 187,580.88 and 75,507.39 is: 104,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.58 : 187,580.88 = 75,507.39 : x
  2. Step 2: Convert to fraction form
    135,932.58/187,580.88 = 75,507.39/x
  3. Step 3: Cross multiply
    135,932.58x = 187,580.88 × 75,507.39
  4. Step 4: Simplify right side
    135,932.58x = 14,163,742,662.70
  5. Step 5: Solve for x
    x = 14,163,742,662.70/135,932.58
  6. Step 6: Final answer
    x = 104,196.82

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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.