Home / 143,845.81-198,592.27-127,886.10

Finding the Fourth Proportional to 143,845.81, 198,592.27 and 127,886.10

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Solution

The fourth proportional to 143,845.81, 198,592.27 and 127,886.10 is: 176,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,845.81 : 198,592.27 = 127,886.10 : x
  2. Step 2: Convert to fraction form
    143,845.81/198,592.27 = 127,886.10/x
  3. Step 3: Cross multiply
    143,845.81x = 198,592.27 × 127,886.10
  4. Step 4: Simplify right side
    143,845.81x = 25,397,191,113.91
  5. Step 5: Solve for x
    x = 25,397,191,113.91/143,845.81
  6. Step 6: Final answer
    x = 176,558.44

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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.