Home / 165,602.43-248,440.50-60,421.37

Finding the Fourth Proportional to 165,602.43, 248,440.50 and 60,421.37

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Solution

The fourth proportional to 165,602.43, 248,440.50 and 60,421.37 is: 90,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,602.43 : 248,440.50 = 60,421.37 : x
  2. Step 2: Convert to fraction form
    165,602.43/248,440.50 = 60,421.37/x
  3. Step 3: Cross multiply
    165,602.43x = 248,440.50 × 60,421.37
  4. Step 4: Simplify right side
    165,602.43x = 15,011,114,131.28
  5. Step 5: Solve for x
    x = 15,011,114,131.28/165,602.43
  6. Step 6: Final answer
    x = 90,645.49

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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.