Home / 346,723.90-520,085.85-197,424.70

Finding the Fourth Proportional to 346,723.90, 520,085.85 and 197,424.70

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Solution

The fourth proportional to 346,723.90, 520,085.85 and 197,424.70 is: 296,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.90 : 520,085.85 = 197,424.70 : x
  2. Step 2: Convert to fraction form
    346,723.90/520,085.85 = 197,424.70/x
  3. Step 3: Cross multiply
    346,723.90x = 520,085.85 × 197,424.70
  4. Step 4: Simplify right side
    346,723.90x = 102,677,792,910.50
  5. Step 5: Solve for x
    x = 102,677,792,910.50/346,723.90
  6. Step 6: Final answer
    x = 296,137.05

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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.