Home / 156,300.96-234,184.32-111,699.84

Finding the Fourth Proportional to 156,300.96, 234,184.32 and 111,699.84

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Solution

The fourth proportional to 156,300.96, 234,184.32 and 111,699.84 is: 167,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,300.96 : 234,184.32 = 111,699.84 : x
  2. Step 2: Convert to fraction form
    156,300.96/234,184.32 = 111,699.84/x
  3. Step 3: Cross multiply
    156,300.96x = 234,184.32 × 111,699.84
  4. Step 4: Simplify right side
    156,300.96x = 26,158,351,074.51
  5. Step 5: Solve for x
    x = 26,158,351,074.51/156,300.96
  6. Step 6: Final answer
    x = 167,358.86

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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.