Home / 133,385.20-184,096.20-85,698.16

Finding the Fourth Proportional to 133,385.20, 184,096.20 and 85,698.16

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Solution

The fourth proportional to 133,385.20, 184,096.20 and 85,698.16 is: 118,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385.20 : 184,096.20 = 85,698.16 : x
  2. Step 2: Convert to fraction form
    133,385.20/184,096.20 = 85,698.16/x
  3. Step 3: Cross multiply
    133,385.20x = 184,096.20 × 85,698.16
  4. Step 4: Simplify right side
    133,385.20x = 15,776,705,602.99
  5. Step 5: Solve for x
    x = 15,776,705,602.99/133,385.20
  6. Step 6: Final answer
    x = 118,279.28

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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.