Home / 156,783.80-235,175.70-94,422.20

Finding the Fourth Proportional to 156,783.80, 235,175.70 and 94,422.20

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Solution

The fourth proportional to 156,783.80, 235,175.70 and 94,422.20 is: 141,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.80 : 235,175.70 = 94,422.20 : x
  2. Step 2: Convert to fraction form
    156,783.80/235,175.70 = 94,422.20/x
  3. Step 3: Cross multiply
    156,783.80x = 235,175.70 × 94,422.20
  4. Step 4: Simplify right side
    156,783.80x = 22,205,806,980.54
  5. Step 5: Solve for x
    x = 22,205,806,980.54/156,783.80
  6. Step 6: Final answer
    x = 141,633.30

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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.