Home / 110,296.08-165,386.88-54,111.60

Finding the Fourth Proportional to 110,296.08, 165,386.88 and 54,111.60

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Solution

The fourth proportional to 110,296.08, 165,386.88 and 54,111.60 is: 81,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,296.08 : 165,386.88 = 54,111.60 : x
  2. Step 2: Convert to fraction form
    110,296.08/165,386.88 = 54,111.60/x
  3. Step 3: Cross multiply
    110,296.08x = 165,386.88 × 54,111.60
  4. Step 4: Simplify right side
    110,296.08x = 8,949,348,695.81
  5. Step 5: Solve for x
    x = 8,949,348,695.81/110,296.08
  6. Step 6: Final answer
    x = 81,139.32

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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.