Home / 157,619.10-236,039.85-104,742.30

Finding the Fourth Proportional to 157,619.10, 236,039.85 and 104,742.30

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Solution

The fourth proportional to 157,619.10, 236,039.85 and 104,742.30 is: 156,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,619.10 : 236,039.85 = 104,742.30 : x
  2. Step 2: Convert to fraction form
    157,619.10/236,039.85 = 104,742.30/x
  3. Step 3: Cross multiply
    157,619.10x = 236,039.85 × 104,742.30
  4. Step 4: Simplify right side
    157,619.10x = 24,723,356,780.66
  5. Step 5: Solve for x
    x = 24,723,356,780.66/157,619.10
  6. Step 6: Final answer
    x = 156,855.08

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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.