Home / 125,525.19-188,289.32-36,780.49

Finding the Fourth Proportional to 125,525.19, 188,289.32 and 36,780.49

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Solution

The fourth proportional to 125,525.19, 188,289.32 and 36,780.49 is: 55,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,525.19 : 188,289.32 = 36,780.49 : x
  2. Step 2: Convert to fraction form
    125,525.19/188,289.32 = 36,780.49/x
  3. Step 3: Cross multiply
    125,525.19x = 188,289.32 × 36,780.49
  4. Step 4: Simplify right side
    125,525.19x = 6,925,373,502.83
  5. Step 5: Solve for x
    x = 6,925,373,502.83/125,525.19
  6. Step 6: Final answer
    x = 55,171.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.