Home / 265,479.02-398,222.63-75,935.83

Finding the Fourth Proportional to 265,479.02, 398,222.63 and 75,935.83

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Solution

The fourth proportional to 265,479.02, 398,222.63 and 75,935.83 is: 113,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,479.02 : 398,222.63 = 75,935.83 : x
  2. Step 2: Convert to fraction form
    265,479.02/398,222.63 = 75,935.83/x
  3. Step 3: Cross multiply
    265,479.02x = 398,222.63 × 75,935.83
  4. Step 4: Simplify right side
    265,479.02x = 30,239,365,590.02
  5. Step 5: Solve for x
    x = 30,239,365,590.02/265,479.02
  6. Step 6: Final answer
    x = 113,904.92

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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.