Home / 163,601.30-245,533.19-84,738.08

Finding the Fourth Proportional to 163,601.30, 245,533.19 and 84,738.08

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Solution

The fourth proportional to 163,601.30, 245,533.19 and 84,738.08 is: 127,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.30 : 245,533.19 = 84,738.08 : x
  2. Step 2: Convert to fraction form
    163,601.30/245,533.19 = 84,738.08/x
  3. Step 3: Cross multiply
    163,601.30x = 245,533.19 × 84,738.08
  4. Step 4: Simplify right side
    163,601.30x = 20,806,011,096.88
  5. Step 5: Solve for x
    x = 20,806,011,096.88/163,601.30
  6. Step 6: Final answer
    x = 127,175.10

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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.