Home / 184,955.52-255,170.34-121,379.70

Finding the Fourth Proportional to 184,955.52, 255,170.34 and 121,379.70

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Solution

The fourth proportional to 184,955.52, 255,170.34 and 121,379.70 is: 167,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,955.52 : 255,170.34 = 121,379.70 : x
  2. Step 2: Convert to fraction form
    184,955.52/255,170.34 = 121,379.70/x
  3. Step 3: Cross multiply
    184,955.52x = 255,170.34 × 121,379.70
  4. Step 4: Simplify right side
    184,955.52x = 30,972,499,318.10
  5. Step 5: Solve for x
    x = 30,972,499,318.10/184,955.52
  6. Step 6: Final answer
    x = 167,459.18

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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.