Home / 125,543.42-188,316.66-36,798.72

Finding the Fourth Proportional to 125,543.42, 188,316.66 and 36,798.72

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Solution

The fourth proportional to 125,543.42, 188,316.66 and 36,798.72 is: 55,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,543.42 : 188,316.66 = 36,798.72 : x
  2. Step 2: Convert to fraction form
    125,543.42/188,316.66 = 36,798.72/x
  3. Step 3: Cross multiply
    125,543.42x = 188,316.66 × 36,798.72
  4. Step 4: Simplify right side
    125,543.42x = 6,929,811,584.06
  5. Step 5: Solve for x
    x = 6,929,811,584.06/125,543.42
  6. Step 6: Final answer
    x = 55,198.53

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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.