Home / 156,968.30-235,492.14-68,237.66

Finding the Fourth Proportional to 156,968.30, 235,492.14 and 68,237.66

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Solution

The fourth proportional to 156,968.30, 235,492.14 and 68,237.66 is: 102,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.30 : 235,492.14 = 68,237.66 : x
  2. Step 2: Convert to fraction form
    156,968.30/235,492.14 = 68,237.66/x
  3. Step 3: Cross multiply
    156,968.30x = 235,492.14 × 68,237.66
  4. Step 4: Simplify right side
    156,968.30x = 16,069,432,581.99
  5. Step 5: Solve for x
    x = 16,069,432,581.99/156,968.30
  6. Step 6: Final answer
    x = 102,373.74

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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.