Home / 164,720.31-227,312.39-92,122.40

Finding the Fourth Proportional to 164,720.31, 227,312.39 and 92,122.40

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Solution

The fourth proportional to 164,720.31, 227,312.39 and 92,122.40 is: 127,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,720.31 : 227,312.39 = 92,122.40 : x
  2. Step 2: Convert to fraction form
    164,720.31/227,312.39 = 92,122.40/x
  3. Step 3: Cross multiply
    164,720.31x = 227,312.39 × 92,122.40
  4. Step 4: Simplify right side
    164,720.31x = 20,940,562,916.54
  5. Step 5: Solve for x
    x = 20,940,562,916.54/164,720.31
  6. Step 6: Final answer
    x = 127,128.00

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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.