Home / 144,705.42-216,708.18-125,109.90

Finding the Fourth Proportional to 144,705.42, 216,708.18 and 125,109.90

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Solution

The fourth proportional to 144,705.42, 216,708.18 and 125,109.90 is: 187,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,705.42 : 216,708.18 = 125,109.90 : x
  2. Step 2: Convert to fraction form
    144,705.42/216,708.18 = 125,109.90/x
  3. Step 3: Cross multiply
    144,705.42x = 216,708.18 × 125,109.90
  4. Step 4: Simplify right side
    144,705.42x = 27,112,338,728.98
  5. Step 5: Solve for x
    x = 27,112,338,728.98/144,705.42
  6. Step 6: Final answer
    x = 187,362.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.