Home / 161,826.80-242,740.20-105,839.60

Finding the Fourth Proportional to 161,826.80, 242,740.20 and 105,839.60

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Solution

The fourth proportional to 161,826.80, 242,740.20 and 105,839.60 is: 158,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,826.80 : 242,740.20 = 105,839.60 : x
  2. Step 2: Convert to fraction form
    161,826.80/242,740.20 = 105,839.60/x
  3. Step 3: Cross multiply
    161,826.80x = 242,740.20 × 105,839.60
  4. Step 4: Simplify right side
    161,826.80x = 25,691,525,671.92
  5. Step 5: Solve for x
    x = 25,691,525,671.92/161,826.80
  6. Step 6: Final answer
    x = 158,759.40

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1.5x scale

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.