Home / 156,782.30-235,173.45-94,420.70

Finding the Fourth Proportional to 156,782.30, 235,173.45 and 94,420.70

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Solution

The fourth proportional to 156,782.30, 235,173.45 and 94,420.70 is: 141,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.30 : 235,173.45 = 94,420.70 : x
  2. Step 2: Convert to fraction form
    156,782.30/235,173.45 = 94,420.70/x
  3. Step 3: Cross multiply
    156,782.30x = 235,173.45 × 94,420.70
  4. Step 4: Simplify right side
    156,782.30x = 22,205,241,770.42
  5. Step 5: Solve for x
    x = 22,205,241,770.42/156,782.30
  6. Step 6: Final answer
    x = 141,631.05

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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.