Home / 128,796.72-193,196.40-35,302.44

Finding the Fourth Proportional to 128,796.72, 193,196.40 and 35,302.44

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Solution

The fourth proportional to 128,796.72, 193,196.40 and 35,302.44 is: 52,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,796.72 : 193,196.40 = 35,302.44 : x
  2. Step 2: Convert to fraction form
    128,796.72/193,196.40 = 35,302.44/x
  3. Step 3: Cross multiply
    128,796.72x = 193,196.40 × 35,302.44
  4. Step 4: Simplify right side
    128,796.72x = 6,820,304,319.22
  5. Step 5: Solve for x
    x = 6,820,304,319.22/128,796.72
  6. Step 6: Final answer
    x = 52,954.02

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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.