Home / 128,764.80-193,173.36-44,528.16

Finding the Fourth Proportional to 128,764.80, 193,173.36 and 44,528.16

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Solution

The fourth proportional to 128,764.80, 193,173.36 and 44,528.16 is: 66,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,764.80 : 193,173.36 = 44,528.16 : x
  2. Step 2: Convert to fraction form
    128,764.80/193,173.36 = 44,528.16/x
  3. Step 3: Cross multiply
    128,764.80x = 193,173.36 × 44,528.16
  4. Step 4: Simplify right side
    128,764.80x = 8,601,654,281.82
  5. Step 5: Solve for x
    x = 8,601,654,281.82/128,764.80
  6. Step 6: Final answer
    x = 66,801.29

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1.5x scale

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.