Home / 165,398.96-248,065.60-47,071.32

Finding the Fourth Proportional to 165,398.96, 248,065.60 and 47,071.32

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Solution

The fourth proportional to 165,398.96, 248,065.60 and 47,071.32 is: 70,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,398.96 : 248,065.60 = 47,071.32 : x
  2. Step 2: Convert to fraction form
    165,398.96/248,065.60 = 47,071.32/x
  3. Step 3: Cross multiply
    165,398.96x = 248,065.60 × 47,071.32
  4. Step 4: Simplify right side
    165,398.96x = 11,676,775,238.59
  5. Step 5: Solve for x
    x = 11,676,775,238.59/165,398.96
  6. Step 6: Final answer
    x = 70,597.63

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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.