Home / 264,390.14-396,585.23-77,401.64

Finding the Fourth Proportional to 264,390.14, 396,585.23 and 77,401.64

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Solution

The fourth proportional to 264,390.14, 396,585.23 and 77,401.64 is: 116,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,390.14 : 396,585.23 = 77,401.64 : x
  2. Step 2: Convert to fraction form
    264,390.14/396,585.23 = 77,401.64/x
  3. Step 3: Cross multiply
    264,390.14x = 396,585.23 × 77,401.64
  4. Step 4: Simplify right side
    264,390.14x = 30,696,344,831.84
  5. Step 5: Solve for x
    x = 30,696,344,831.84/264,390.14
  6. Step 6: Final answer
    x = 116,102.46

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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.