Home / 157,025.77-235,562.05-72,794.47

Finding the Fourth Proportional to 157,025.77, 235,562.05 and 72,794.47

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Solution

The fourth proportional to 157,025.77, 235,562.05 and 72,794.47 is: 109,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,025.77 : 235,562.05 = 72,794.47 : x
  2. Step 2: Convert to fraction form
    157,025.77/235,562.05 = 72,794.47/x
  3. Step 3: Cross multiply
    157,025.77x = 235,562.05 × 72,794.47
  4. Step 4: Simplify right side
    157,025.77x = 17,147,614,217.89
  5. Step 5: Solve for x
    x = 17,147,614,217.89/157,025.77
  6. Step 6: Final answer
    x = 109,202.55

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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.