Home / 369,214.53-553,821.63-88,731.78

Finding the Fourth Proportional to 369,214.53, 553,821.63 and 88,731.78

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Solution

The fourth proportional to 369,214.53, 553,821.63 and 88,731.78 is: 133,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,214.53 : 553,821.63 = 88,731.78 : x
  2. Step 2: Convert to fraction form
    369,214.53/553,821.63 = 88,731.78/x
  3. Step 3: Cross multiply
    369,214.53x = 553,821.63 × 88,731.78
  4. Step 4: Simplify right side
    369,214.53x = 49,141,579,032.40
  5. Step 5: Solve for x
    x = 49,141,579,032.40/369,214.53
  6. Step 6: Final answer
    x = 133,097.63

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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.