Home / 186,829.20-257,828.04-101,949.84

Finding the Fourth Proportional to 186,829.20, 257,828.04 and 101,949.84

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Solution

The fourth proportional to 186,829.20, 257,828.04 and 101,949.84 is: 140,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.20 : 257,828.04 = 101,949.84 : x
  2. Step 2: Convert to fraction form
    186,829.20/257,828.04 = 101,949.84/x
  3. Step 3: Cross multiply
    186,829.20x = 257,828.04 × 101,949.84
  4. Step 4: Simplify right side
    186,829.20x = 26,285,527,425.51
  5. Step 5: Solve for x
    x = 26,285,527,425.51/186,829.20
  6. Step 6: Final answer
    x = 140,692.82

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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.