Home / 122,680.47-184,020.48-38,447.09

Finding the Fourth Proportional to 122,680.47, 184,020.48 and 38,447.09

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Solution

The fourth proportional to 122,680.47, 184,020.48 and 38,447.09 is: 57,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,680.47 : 184,020.48 = 38,447.09 : x
  2. Step 2: Convert to fraction form
    122,680.47/184,020.48 = 38,447.09/x
  3. Step 3: Cross multiply
    122,680.47x = 184,020.48 × 38,447.09
  4. Step 4: Simplify right side
    122,680.47x = 7,075,051,956.40
  5. Step 5: Solve for x
    x = 7,075,051,956.40/122,680.47
  6. Step 6: Final answer
    x = 57,670.56

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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.