Home / 163,579.91-245,369.86-45,248.18

Finding the Fourth Proportional to 163,579.91, 245,369.86 and 45,248.18

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Solution

The fourth proportional to 163,579.91, 245,369.86 and 45,248.18 is: 67,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.91 : 245,369.86 = 45,248.18 : x
  2. Step 2: Convert to fraction form
    163,579.91/245,369.86 = 45,248.18/x
  3. Step 3: Cross multiply
    163,579.91x = 245,369.86 × 45,248.18
  4. Step 4: Simplify right side
    163,579.91x = 11,102,538,251.89
  5. Step 5: Solve for x
    x = 11,102,538,251.89/163,579.91
  6. Step 6: Final answer
    x = 67,872.26

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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.