Home / 200,457.06-276,629.93-109,812.90

Finding the Fourth Proportional to 200,457.06, 276,629.93 and 109,812.90

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Solution

The fourth proportional to 200,457.06, 276,629.93 and 109,812.90 is: 151,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,457.06 : 276,629.93 = 109,812.90 : x
  2. Step 2: Convert to fraction form
    200,457.06/276,629.93 = 109,812.90/x
  3. Step 3: Cross multiply
    200,457.06x = 276,629.93 × 109,812.90
  4. Step 4: Simplify right side
    200,457.06x = 30,377,534,840.10
  5. Step 5: Solve for x
    x = 30,377,534,840.10/200,457.06
  6. Step 6: Final answer
    x = 151,541.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.