Home / 186,822.18-257,812.47-101,940.66

Finding the Fourth Proportional to 186,822.18, 257,812.47 and 101,940.66

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Solution

The fourth proportional to 186,822.18, 257,812.47 and 101,940.66 is: 140,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.18 : 257,812.47 = 101,940.66 : x
  2. Step 2: Convert to fraction form
    186,822.18/257,812.47 = 101,940.66/x
  3. Step 3: Cross multiply
    186,822.18x = 257,812.47 × 101,940.66
  4. Step 4: Simplify right side
    186,822.18x = 26,281,573,348.03
  5. Step 5: Solve for x
    x = 26,281,573,348.03/186,822.18
  6. Step 6: Final answer
    x = 140,676.94

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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.