Home / 220,916.46-304,862.79-134,857.32

Finding the Fourth Proportional to 220,916.46, 304,862.79 and 134,857.32

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Solution

The fourth proportional to 220,916.46, 304,862.79 and 134,857.32 is: 186,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,916.46 : 304,862.79 = 134,857.32 : x
  2. Step 2: Convert to fraction form
    220,916.46/304,862.79 = 134,857.32/x
  3. Step 3: Cross multiply
    220,916.46x = 304,862.79 × 134,857.32
  4. Step 4: Simplify right side
    220,916.46x = 41,112,978,827.12
  5. Step 5: Solve for x
    x = 41,112,978,827.12/220,916.46
  6. Step 6: Final answer
    x = 186,101.93

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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.