Home / 369,156.64-553,766.23-102,917.42

Finding the Fourth Proportional to 369,156.64, 553,766.23 and 102,917.42

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Solution

The fourth proportional to 369,156.64, 553,766.23 and 102,917.42 is: 154,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,156.64 : 553,766.23 = 102,917.42 : x
  2. Step 2: Convert to fraction form
    369,156.64/553,766.23 = 102,917.42/x
  3. Step 3: Cross multiply
    369,156.64x = 553,766.23 × 102,917.42
  4. Step 4: Simplify right side
    369,156.64x = 56,992,188,648.60
  5. Step 5: Solve for x
    x = 56,992,188,648.60/369,156.64
  6. Step 6: Final answer
    x = 154,384.84

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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.