Home / 156,985.80-235,478.70-94,624.20

Finding the Fourth Proportional to 156,985.80, 235,478.70 and 94,624.20

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Solution

The fourth proportional to 156,985.80, 235,478.70 and 94,624.20 is: 141,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.80 : 235,478.70 = 94,624.20 : x
  2. Step 2: Convert to fraction form
    156,985.80/235,478.70 = 94,624.20/x
  3. Step 3: Cross multiply
    156,985.80x = 235,478.70 × 94,624.20
  4. Step 4: Simplify right side
    156,985.80x = 22,281,983,604.54
  5. Step 5: Solve for x
    x = 22,281,983,604.54/156,985.80
  6. Step 6: Final answer
    x = 141,936.30

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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.