Home / 377,513.32-566,274.46-128,214.76

Finding the Fourth Proportional to 377,513.32, 566,274.46 and 128,214.76

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Solution

The fourth proportional to 377,513.32, 566,274.46 and 128,214.76 is: 192,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,513.32 : 566,274.46 = 128,214.76 : x
  2. Step 2: Convert to fraction form
    377,513.32/566,274.46 = 128,214.76/x
  3. Step 3: Cross multiply
    377,513.32x = 566,274.46 × 128,214.76
  4. Step 4: Simplify right side
    377,513.32x = 72,604,743,983.03
  5. Step 5: Solve for x
    x = 72,604,743,983.03/377,513.32
  6. Step 6: Final answer
    x = 192,323.66

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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.