Home / 102,216.89-153,345.40-35,659.19

Finding the Fourth Proportional to 102,216.89, 153,345.40 and 35,659.19

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Solution

The fourth proportional to 102,216.89, 153,345.40 and 35,659.19 is: 53,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,216.89 : 153,345.40 = 35,659.19 : x
  2. Step 2: Convert to fraction form
    102,216.89/153,345.40 = 35,659.19/x
  3. Step 3: Cross multiply
    102,216.89x = 153,345.40 × 35,659.19
  4. Step 4: Simplify right side
    102,216.89x = 5,468,173,048.44
  5. Step 5: Solve for x
    x = 5,468,173,048.44/102,216.89
  6. Step 6: Final answer
    x = 53,495.79

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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.