Home / 153,090.47-229,740.19-53,249.67

Finding the Fourth Proportional to 153,090.47, 229,740.19 and 53,249.67

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Solution

The fourth proportional to 153,090.47, 229,740.19 and 53,249.67 is: 79,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,090.47 : 229,740.19 = 53,249.67 : x
  2. Step 2: Convert to fraction form
    153,090.47/229,740.19 = 53,249.67/x
  3. Step 3: Cross multiply
    153,090.47x = 229,740.19 × 53,249.67
  4. Step 4: Simplify right side
    153,090.47x = 12,233,589,170.11
  5. Step 5: Solve for x
    x = 12,233,589,170.11/153,090.47
  6. Step 6: Final answer
    x = 79,910.85

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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.