Home / 113,136.30-169,741.32-53,964.28

Finding the Fourth Proportional to 113,136.30, 169,741.32 and 53,964.28

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Solution

The fourth proportional to 113,136.30, 169,741.32 and 53,964.28 is: 80,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.30 : 169,741.32 = 53,964.28 : x
  2. Step 2: Convert to fraction form
    113,136.30/169,741.32 = 53,964.28/x
  3. Step 3: Cross multiply
    113,136.30x = 169,741.32 × 53,964.28
  4. Step 4: Simplify right side
    113,136.30x = 9,159,968,120.05
  5. Step 5: Solve for x
    x = 9,159,968,120.05/113,136.30
  6. Step 6: Final answer
    x = 80,964.01

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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.