Home / 110,980.08-153,144.54-68,539.32

Finding the Fourth Proportional to 110,980.08, 153,144.54 and 68,539.32

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Solution

The fourth proportional to 110,980.08, 153,144.54 and 68,539.32 is: 94,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,980.08 : 153,144.54 = 68,539.32 : x
  2. Step 2: Convert to fraction form
    110,980.08/153,144.54 = 68,539.32/x
  3. Step 3: Cross multiply
    110,980.08x = 153,144.54 × 68,539.32
  4. Step 4: Simplify right side
    110,980.08x = 10,496,422,633.31
  5. Step 5: Solve for x
    x = 10,496,422,633.31/110,980.08
  6. Step 6: Final answer
    x = 94,579.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.