Home / 125,527.35-188,290.95-36,780.81

Finding the Fourth Proportional to 125,527.35, 188,290.95 and 36,780.81

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Solution

The fourth proportional to 125,527.35, 188,290.95 and 36,780.81 is: 55,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,527.35 : 188,290.95 = 36,780.81 : x
  2. Step 2: Convert to fraction form
    125,527.35/188,290.95 = 36,780.81/x
  3. Step 3: Cross multiply
    125,527.35x = 188,290.95 × 36,780.81
  4. Step 4: Simplify right side
    125,527.35x = 6,925,493,656.67
  5. Step 5: Solve for x
    x = 6,925,493,656.67/125,527.35
  6. Step 6: Final answer
    x = 55,171.19

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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.