Home / 136,349.19-188,184.84-87,937.50

Finding the Fourth Proportional to 136,349.19, 188,184.84 and 87,937.50

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Solution

The fourth proportional to 136,349.19, 188,184.84 and 87,937.50 is: 121,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,349.19 : 188,184.84 = 87,937.50 : x
  2. Step 2: Convert to fraction form
    136,349.19/188,184.84 = 87,937.50/x
  3. Step 3: Cross multiply
    136,349.19x = 188,184.84 × 87,937.50
  4. Step 4: Simplify right side
    136,349.19x = 16,548,504,367.50
  5. Step 5: Solve for x
    x = 16,548,504,367.50/136,349.19
  6. Step 6: Final answer
    x = 121,368.56

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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.