Home / 369,331.56-553,898.79-103,045.28

Finding the Fourth Proportional to 369,331.56, 553,898.79 and 103,045.28

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Solution

The fourth proportional to 369,331.56, 553,898.79 and 103,045.28 is: 154,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,331.56 : 553,898.79 = 103,045.28 : x
  2. Step 2: Convert to fraction form
    369,331.56/553,898.79 = 103,045.28/x
  3. Step 3: Cross multiply
    369,331.56x = 553,898.79 × 103,045.28
  4. Step 4: Simplify right side
    369,331.56x = 57,076,653,137.72
  5. Step 5: Solve for x
    x = 57,076,653,137.72/369,331.56
  6. Step 6: Final answer
    x = 154,540.42

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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.