Home / 156,921.14-235,492.86-68,200.58

Finding the Fourth Proportional to 156,921.14, 235,492.86 and 68,200.58

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Solution

The fourth proportional to 156,921.14, 235,492.86 and 68,200.58 is: 102,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.14 : 235,492.86 = 68,200.58 : x
  2. Step 2: Convert to fraction form
    156,921.14/235,492.86 = 68,200.58/x
  3. Step 3: Cross multiply
    156,921.14x = 235,492.86 × 68,200.58
  4. Step 4: Simplify right side
    156,921.14x = 16,060,749,637.86
  5. Step 5: Solve for x
    x = 16,060,749,637.86/156,921.14
  6. Step 6: Final answer
    x = 102,349.18

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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.