Home / 163,963.24-245,946.30-45,644.20

Finding the Fourth Proportional to 163,963.24, 245,946.30 and 45,644.20

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Solution

The fourth proportional to 163,963.24, 245,946.30 and 45,644.20 is: 68,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,963.24 : 245,946.30 = 45,644.20 : x
  2. Step 2: Convert to fraction form
    163,963.24/245,946.30 = 45,644.20/x
  3. Step 3: Cross multiply
    163,963.24x = 245,946.30 × 45,644.20
  4. Step 4: Simplify right side
    163,963.24x = 11,226,022,106.46
  5. Step 5: Solve for x
    x = 11,226,022,106.46/163,963.24
  6. Step 6: Final answer
    x = 68,466.70

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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.