Home / 165,403.61-248,090.66-53,053.32

Finding the Fourth Proportional to 165,403.61, 248,090.66 and 53,053.32

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Solution

The fourth proportional to 165,403.61, 248,090.66 and 53,053.32 is: 79,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.61 : 248,090.66 = 53,053.32 : x
  2. Step 2: Convert to fraction form
    165,403.61/248,090.66 = 53,053.32/x
  3. Step 3: Cross multiply
    165,403.61x = 248,090.66 × 53,053.32
  4. Step 4: Simplify right side
    165,403.61x = 13,162,032,908.72
  5. Step 5: Solve for x
    x = 13,162,032,908.72/165,403.61
  6. Step 6: Final answer
    x = 79,575.25

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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.