Home / 157,645.10-236,078.85-104,768.30

Finding the Fourth Proportional to 157,645.10, 236,078.85 and 104,768.30

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Solution

The fourth proportional to 157,645.10, 236,078.85 and 104,768.30 is: 156,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,645.10 : 236,078.85 = 104,768.30 : x
  2. Step 2: Convert to fraction form
    157,645.10/236,078.85 = 104,768.30/x
  3. Step 3: Cross multiply
    157,645.10x = 236,078.85 × 104,768.30
  4. Step 4: Simplify right side
    157,645.10x = 24,733,579,780.46
  5. Step 5: Solve for x
    x = 24,733,579,780.46/157,645.10
  6. Step 6: Final answer
    x = 156,894.06

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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.