Home / 291,819.59-402,642.47-177,095.67

Finding the Fourth Proportional to 291,819.59, 402,642.47 and 177,095.67

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Solution

The fourth proportional to 291,819.59, 402,642.47 and 177,095.67 is: 244,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,819.59 : 402,642.47 = 177,095.67 : x
  2. Step 2: Convert to fraction form
    291,819.59/402,642.47 = 177,095.67/x
  3. Step 3: Cross multiply
    291,819.59x = 402,642.47 × 177,095.67
  4. Step 4: Simplify right side
    291,819.59x = 71,306,238,128.50
  5. Step 5: Solve for x
    x = 71,306,238,128.50/291,819.59
  6. Step 6: Final answer
    x = 244,350.42

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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.