Home / 113,091.40-169,442.70-73,628.20

Finding the Fourth Proportional to 113,091.40, 169,442.70 and 73,628.20

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Solution

The fourth proportional to 113,091.40, 169,442.70 and 73,628.20 is: 110,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,091.40 : 169,442.70 = 73,628.20 : x
  2. Step 2: Convert to fraction form
    113,091.40/169,442.70 = 73,628.20/x
  3. Step 3: Cross multiply
    113,091.40x = 169,442.70 × 73,628.20
  4. Step 4: Simplify right side
    113,091.40x = 12,475,761,004.14
  5. Step 5: Solve for x
    x = 12,475,761,004.14/113,091.40
  6. Step 6: Final answer
    x = 110,315.74

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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.