Home / 156,822.40-235,233.60-38,492.20

Finding the Fourth Proportional to 156,822.40, 235,233.60 and 38,492.20

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Solution

The fourth proportional to 156,822.40, 235,233.60 and 38,492.20 is: 57,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,822.40 : 235,233.60 = 38,492.20 : x
  2. Step 2: Convert to fraction form
    156,822.40/235,233.60 = 38,492.20/x
  3. Step 3: Cross multiply
    156,822.40x = 235,233.60 × 38,492.20
  4. Step 4: Simplify right side
    156,822.40x = 9,054,658,777.92
  5. Step 5: Solve for x
    x = 9,054,658,777.92/156,822.40
  6. Step 6: Final answer
    x = 57,738.30

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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.