Home / 290,053.56-400,298.04-161,004.18

Finding the Fourth Proportional to 290,053.56, 400,298.04 and 161,004.18

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Solution

The fourth proportional to 290,053.56, 400,298.04 and 161,004.18 is: 222,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,053.56 : 400,298.04 = 161,004.18 : x
  2. Step 2: Convert to fraction form
    290,053.56/400,298.04 = 161,004.18/x
  3. Step 3: Cross multiply
    290,053.56x = 400,298.04 × 161,004.18
  4. Step 4: Simplify right side
    290,053.56x = 64,449,657,685.81
  5. Step 5: Solve for x
    x = 64,449,657,685.81/290,053.56
  6. Step 6: Final answer
    x = 222,199.16

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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.