Home / 113,011.40-169,322.70-73,548.20

Finding the Fourth Proportional to 113,011.40, 169,322.70 and 73,548.20

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Solution

The fourth proportional to 113,011.40, 169,322.70 and 73,548.20 is: 110,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.40 : 169,322.70 = 73,548.20 : x
  2. Step 2: Convert to fraction form
    113,011.40/169,322.70 = 73,548.20/x
  3. Step 3: Cross multiply
    113,011.40x = 169,322.70 × 73,548.20
  4. Step 4: Simplify right side
    113,011.40x = 12,453,379,804.14
  5. Step 5: Solve for x
    x = 12,453,379,804.14/113,011.40
  6. Step 6: Final answer
    x = 110,195.78

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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.