Home / 113,009.40-169,319.70-73,546.20

Finding the Fourth Proportional to 113,009.40, 169,319.70 and 73,546.20

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Solution

The fourth proportional to 113,009.40, 169,319.70 and 73,546.20 is: 110,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,009.40 : 169,319.70 = 73,546.20 : x
  2. Step 2: Convert to fraction form
    113,009.40/169,319.70 = 73,546.20/x
  3. Step 3: Cross multiply
    113,009.40x = 169,319.70 × 73,546.20
  4. Step 4: Simplify right side
    113,009.40x = 12,452,820,520.14
  5. Step 5: Solve for x
    x = 12,452,820,520.14/113,009.40
  6. Step 6: Final answer
    x = 110,192.79

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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.