Home / 117,546.40-176,319.60-73,150.30

Finding the Fourth Proportional to 117,546.40, 176,319.60 and 73,150.30

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Solution

The fourth proportional to 117,546.40, 176,319.60 and 73,150.30 is: 109,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,546.40 : 176,319.60 = 73,150.30 : x
  2. Step 2: Convert to fraction form
    117,546.40/176,319.60 = 73,150.30/x
  3. Step 3: Cross multiply
    117,546.40x = 176,319.60 × 73,150.30
  4. Step 4: Simplify right side
    117,546.40x = 12,897,831,635.88
  5. Step 5: Solve for x
    x = 12,897,831,635.88/117,546.40
  6. Step 6: Final answer
    x = 109,725.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.