Home / 251,845.34-375,925.41-221,952.70

Finding the Fourth Proportional to 251,845.34, 375,925.41 and 221,952.70

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Solution

The fourth proportional to 251,845.34, 375,925.41 and 221,952.70 is: 331,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,845.34 : 375,925.41 = 221,952.70 : x
  2. Step 2: Convert to fraction form
    251,845.34/375,925.41 = 221,952.70/x
  3. Step 3: Cross multiply
    251,845.34x = 375,925.41 × 221,952.70
  4. Step 4: Simplify right side
    251,845.34x = 83,437,659,748.11
  5. Step 5: Solve for x
    x = 83,437,659,748.11/251,845.34
  6. Step 6: Final answer
    x = 331,305.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.