Home / 370,819.38-556,201.12-118,089.66

Finding the Fourth Proportional to 370,819.38, 556,201.12 and 118,089.66

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Solution

The fourth proportional to 370,819.38, 556,201.12 and 118,089.66 is: 177,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,819.38 : 556,201.12 = 118,089.66 : x
  2. Step 2: Convert to fraction form
    370,819.38/556,201.12 = 118,089.66/x
  3. Step 3: Cross multiply
    370,819.38x = 556,201.12 × 118,089.66
  4. Step 4: Simplify right side
    370,819.38x = 65,681,601,152.42
  5. Step 5: Solve for x
    x = 65,681,601,152.42/370,819.38
  6. Step 6: Final answer
    x = 177,125.59

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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.