Home / 202,972.16-280,094.66-112,331.94

Finding the Fourth Proportional to 202,972.16, 280,094.66 and 112,331.94

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Solution

The fourth proportional to 202,972.16, 280,094.66 and 112,331.94 is: 155,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,972.16 : 280,094.66 = 112,331.94 : x
  2. Step 2: Convert to fraction form
    202,972.16/280,094.66 = 112,331.94/x
  3. Step 3: Cross multiply
    202,972.16x = 280,094.66 × 112,331.94
  4. Step 4: Simplify right side
    202,972.16x = 31,463,576,541.44
  5. Step 5: Solve for x
    x = 31,463,576,541.44/202,972.16
  6. Step 6: Final answer
    x = 155,014.25

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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.