Home / 153,015.48-229,598.55-68,835.15

Finding the Fourth Proportional to 153,015.48, 229,598.55 and 68,835.15

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Solution

The fourth proportional to 153,015.48, 229,598.55 and 68,835.15 is: 103,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,015.48 : 229,598.55 = 68,835.15 : x
  2. Step 2: Convert to fraction form
    153,015.48/229,598.55 = 68,835.15/x
  3. Step 3: Cross multiply
    153,015.48x = 229,598.55 × 68,835.15
  4. Step 4: Simplify right side
    153,015.48x = 15,804,450,629.03
  5. Step 5: Solve for x
    x = 15,804,450,629.03/153,015.48
  6. Step 6: Final answer
    x = 103,286.61

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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.