Home / 367,541.07-551,332.35-130,883.78

Finding the Fourth Proportional to 367,541.07, 551,332.35 and 130,883.78

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Solution

The fourth proportional to 367,541.07, 551,332.35 and 130,883.78 is: 196,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,541.07 : 551,332.35 = 130,883.78 : x
  2. Step 2: Convert to fraction form
    367,541.07/551,332.35 = 130,883.78/x
  3. Step 3: Cross multiply
    367,541.07x = 551,332.35 × 130,883.78
  4. Step 4: Simplify right side
    367,541.07x = 72,160,459,247.62
  5. Step 5: Solve for x
    x = 72,160,459,247.62/367,541.07
  6. Step 6: Final answer
    x = 196,333.05

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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.