Home / 136,444.44-188,280.54-100,654.32

Finding the Fourth Proportional to 136,444.44, 188,280.54 and 100,654.32

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Solution

The fourth proportional to 136,444.44, 188,280.54 and 100,654.32 is: 138,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.44 : 188,280.54 = 100,654.32 : x
  2. Step 2: Convert to fraction form
    136,444.44/188,280.54 = 100,654.32/x
  3. Step 3: Cross multiply
    136,444.44x = 188,280.54 × 100,654.32
  4. Step 4: Simplify right side
    136,444.44x = 18,951,249,722.93
  5. Step 5: Solve for x
    x = 18,951,249,722.93/136,444.44
  6. Step 6: Final answer
    x = 138,893.53

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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.