Home / 122,678.47-184,017.48-38,445.09

Finding the Fourth Proportional to 122,678.47, 184,017.48 and 38,445.09

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Solution

The fourth proportional to 122,678.47, 184,017.48 and 38,445.09 is: 57,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678.47 : 184,017.48 = 38,445.09 : x
  2. Step 2: Convert to fraction form
    122,678.47/184,017.48 = 38,445.09/x
  3. Step 3: Cross multiply
    122,678.47x = 184,017.48 × 38,445.09
  4. Step 4: Simplify right side
    122,678.47x = 7,074,567,660.09
  5. Step 5: Solve for x
    x = 7,074,567,660.09/122,678.47
  6. Step 6: Final answer
    x = 57,667.56

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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.