Home / 228,711.36-343,050.60-70,935.72

Finding the Fourth Proportional to 228,711.36, 343,050.60 and 70,935.72

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Solution

The fourth proportional to 228,711.36, 343,050.60 and 70,935.72 is: 106,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,711.36 : 343,050.60 = 70,935.72 : x
  2. Step 2: Convert to fraction form
    228,711.36/343,050.60 = 70,935.72/x
  3. Step 3: Cross multiply
    228,711.36x = 343,050.60 × 70,935.72
  4. Step 4: Simplify right side
    228,711.36x = 24,334,541,307.43
  5. Step 5: Solve for x
    x = 24,334,541,307.43/228,711.36
  6. Step 6: Final answer
    x = 106,398.48

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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.