Home / 346,205.46-518,369.78-179,643.54

Finding the Fourth Proportional to 346,205.46, 518,369.78 and 179,643.54

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Solution

The fourth proportional to 346,205.46, 518,369.78 and 179,643.54 is: 268,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,205.46 : 518,369.78 = 179,643.54 : x
  2. Step 2: Convert to fraction form
    346,205.46/518,369.78 = 179,643.54/x
  3. Step 3: Cross multiply
    346,205.46x = 518,369.78 × 179,643.54
  4. Step 4: Simplify right side
    346,205.46x = 93,121,782,308.22
  5. Step 5: Solve for x
    x = 93,121,782,308.22/346,205.46
  6. Step 6: Final answer
    x = 268,978.38

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1.5x scale

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.