Home / 369,213.76-553,919.09-132,558.49

Finding the Fourth Proportional to 369,213.76, 553,919.09 and 132,558.49

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Solution

The fourth proportional to 369,213.76, 553,919.09 and 132,558.49 is: 198,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,213.76 : 553,919.09 = 132,558.49 : x
  2. Step 2: Convert to fraction form
    369,213.76/553,919.09 = 132,558.49/x
  3. Step 3: Cross multiply
    369,213.76x = 553,919.09 × 132,558.49
  4. Step 4: Simplify right side
    369,213.76x = 73,426,678,152.57
  5. Step 5: Solve for x
    x = 73,426,678,152.57/369,213.76
  6. Step 6: Final answer
    x = 198,873.08

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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.