Home / 184,192.96-253,941.60-120,421.12

Finding the Fourth Proportional to 184,192.96, 253,941.60 and 120,421.12

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Solution

The fourth proportional to 184,192.96, 253,941.60 and 120,421.12 is: 166,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,192.96 : 253,941.60 = 120,421.12 : x
  2. Step 2: Convert to fraction form
    184,192.96/253,941.60 = 120,421.12/x
  3. Step 3: Cross multiply
    184,192.96x = 253,941.60 × 120,421.12
  4. Step 4: Simplify right side
    184,192.96x = 30,579,931,886.59
  5. Step 5: Solve for x
    x = 30,579,931,886.59/184,192.96
  6. Step 6: Final answer
    x = 166,021.18

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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.