Home / 153,141.48-211,351.86-89,500.68

Finding the Fourth Proportional to 153,141.48, 211,351.86 and 89,500.68

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Solution

The fourth proportional to 153,141.48, 211,351.86 and 89,500.68 is: 123,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,141.48 : 211,351.86 = 89,500.68 : x
  2. Step 2: Convert to fraction form
    153,141.48/211,351.86 = 89,500.68/x
  3. Step 3: Cross multiply
    153,141.48x = 211,351.86 × 89,500.68
  4. Step 4: Simplify right side
    153,141.48x = 18,916,135,189.26
  5. Step 5: Solve for x
    x = 18,916,135,189.26/153,141.48
  6. Step 6: Final answer
    x = 123,520.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.