Home / 369,092.35-553,638.43-211,209.18

Finding the Fourth Proportional to 369,092.35, 553,638.43 and 211,209.18

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Solution

The fourth proportional to 369,092.35, 553,638.43 and 211,209.18 is: 316,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,092.35 : 553,638.43 = 211,209.18 : x
  2. Step 2: Convert to fraction form
    369,092.35/553,638.43 = 211,209.18/x
  3. Step 3: Cross multiply
    369,092.35x = 553,638.43 × 211,209.18
  4. Step 4: Simplify right side
    369,092.35x = 116,933,518,816.79
  5. Step 5: Solve for x
    x = 116,933,518,816.79/369,092.35
  6. Step 6: Final answer
    x = 316,813.72

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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.