Home / 110,298.08-165,389.88-54,113.60

Finding the Fourth Proportional to 110,298.08, 165,389.88 and 54,113.60

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Solution

The fourth proportional to 110,298.08, 165,389.88 and 54,113.60 is: 81,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,298.08 : 165,389.88 = 54,113.60 : x
  2. Step 2: Convert to fraction form
    110,298.08/165,389.88 = 54,113.60/x
  3. Step 3: Cross multiply
    110,298.08x = 165,389.88 × 54,113.60
  4. Step 4: Simplify right side
    110,298.08x = 8,949,841,810.37
  5. Step 5: Solve for x
    x = 8,949,841,810.37/110,298.08
  6. Step 6: Final answer
    x = 81,142.32

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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.