Home / 369,083.96-553,429.10-191,149.64

Finding the Fourth Proportional to 369,083.96, 553,429.10 and 191,149.64

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Solution

The fourth proportional to 369,083.96, 553,429.10 and 191,149.64 is: 286,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,083.96 : 553,429.10 = 191,149.64 : x
  2. Step 2: Convert to fraction form
    369,083.96/553,429.10 = 191,149.64/x
  3. Step 3: Cross multiply
    369,083.96x = 553,429.10 × 191,149.64
  4. Step 4: Simplify right side
    369,083.96x = 105,787,770,941.25
  5. Step 5: Solve for x
    x = 105,787,770,941.25/369,083.96
  6. Step 6: Final answer
    x = 286,622.51

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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.