Home / 133,612.46-184,339.42-76,210.54

Finding the Fourth Proportional to 133,612.46, 184,339.42 and 76,210.54

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Solution

The fourth proportional to 133,612.46, 184,339.42 and 76,210.54 is: 105,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.46 : 184,339.42 = 76,210.54 : x
  2. Step 2: Convert to fraction form
    133,612.46/184,339.42 = 76,210.54/x
  3. Step 3: Cross multiply
    133,612.46x = 184,339.42 × 76,210.54
  4. Step 4: Simplify right side
    133,612.46x = 14,048,606,741.49
  5. Step 5: Solve for x
    x = 14,048,606,741.49/133,612.46
  6. Step 6: Final answer
    x = 105,144.44

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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.