Home / 165,616.30-248,437.95-70,847.20

Finding the Fourth Proportional to 165,616.30, 248,437.95 and 70,847.20

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Solution

The fourth proportional to 165,616.30, 248,437.95 and 70,847.20 is: 106,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,616.30 : 248,437.95 = 70,847.20 : x
  2. Step 2: Convert to fraction form
    165,616.30/248,437.95 = 70,847.20/x
  3. Step 3: Cross multiply
    165,616.30x = 248,437.95 × 70,847.20
  4. Step 4: Simplify right side
    165,616.30x = 17,601,133,131.24
  5. Step 5: Solve for x
    x = 17,601,133,131.24/165,616.30
  6. Step 6: Final answer
    x = 106,276.58

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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.