Home / 122,124.48-184,158.42-120,459.12

Finding the Fourth Proportional to 122,124.48, 184,158.42 and 120,459.12

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Solution

The fourth proportional to 122,124.48, 184,158.42 and 120,459.12 is: 181,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,124.48 : 184,158.42 = 120,459.12 : x
  2. Step 2: Convert to fraction form
    122,124.48/184,158.42 = 120,459.12/x
  3. Step 3: Cross multiply
    122,124.48x = 184,158.42 × 120,459.12
  4. Step 4: Simplify right side
    122,124.48x = 22,183,561,213.79
  5. Step 5: Solve for x
    x = 22,183,561,213.79/122,124.48
  6. Step 6: Final answer
    x = 181,647.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.