Home / 291,349.16-402,174.69-227,707.46

Finding the Fourth Proportional to 291,349.16, 402,174.69 and 227,707.46

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Solution

The fourth proportional to 291,349.16, 402,174.69 and 227,707.46 is: 314,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,349.16 : 402,174.69 = 227,707.46 : x
  2. Step 2: Convert to fraction form
    291,349.16/402,174.69 = 227,707.46/x
  3. Step 3: Cross multiply
    291,349.16x = 402,174.69 × 227,707.46
  4. Step 4: Simplify right side
    291,349.16x = 91,578,177,136.19
  5. Step 5: Solve for x
    x = 91,578,177,136.19/291,349.16
  6. Step 6: Final answer
    x = 314,324.49

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Double scale
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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.