Home / 133,612.96-184,340.13-76,211.02

Finding the Fourth Proportional to 133,612.96, 184,340.13 and 76,211.02

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Solution

The fourth proportional to 133,612.96, 184,340.13 and 76,211.02 is: 105,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.96 : 184,340.13 = 76,211.02 : x
  2. Step 2: Convert to fraction form
    133,612.96/184,340.13 = 76,211.02/x
  3. Step 3: Cross multiply
    133,612.96x = 184,340.13 × 76,211.02
  4. Step 4: Simplify right side
    133,612.96x = 14,048,749,334.23
  5. Step 5: Solve for x
    x = 14,048,749,334.23/133,612.96
  6. Step 6: Final answer
    x = 105,145.11

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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.