Home / 291,096.27-401,680.35-163,769.13

Finding the Fourth Proportional to 291,096.27, 401,680.35 and 163,769.13

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Solution

The fourth proportional to 291,096.27, 401,680.35 and 163,769.13 is: 225,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,096.27 : 401,680.35 = 163,769.13 : x
  2. Step 2: Convert to fraction form
    291,096.27/401,680.35 = 163,769.13/x
  3. Step 3: Cross multiply
    291,096.27x = 401,680.35 × 163,769.13
  4. Step 4: Simplify right side
    291,096.27x = 65,782,841,457.60
  5. Step 5: Solve for x
    x = 65,782,841,457.60/291,096.27
  6. Step 6: Final answer
    x = 225,983.11

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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.