Home / 133,364.40-184,060.28-76,778.16

Finding the Fourth Proportional to 133,364.40, 184,060.28 and 76,778.16

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Solution

The fourth proportional to 133,364.40, 184,060.28 and 76,778.16 is: 105,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,364.40 : 184,060.28 = 76,778.16 : x
  2. Step 2: Convert to fraction form
    133,364.40/184,060.28 = 76,778.16/x
  3. Step 3: Cross multiply
    133,364.40x = 184,060.28 × 76,778.16
  4. Step 4: Simplify right side
    133,364.40x = 14,131,809,627.48
  5. Step 5: Solve for x
    x = 14,131,809,627.48/133,364.40
  6. Step 6: Final answer
    x = 105,963.88

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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.