Home / 161,610.03-242,084.56-131,730.75

Finding the Fourth Proportional to 161,610.03, 242,084.56 and 131,730.75

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Solution

The fourth proportional to 161,610.03, 242,084.56 and 131,730.75 is: 197,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,610.03 : 242,084.56 = 131,730.75 : x
  2. Step 2: Convert to fraction form
    161,610.03/242,084.56 = 131,730.75/x
  3. Step 3: Cross multiply
    161,610.03x = 242,084.56 × 131,730.75
  4. Step 4: Simplify right side
    161,610.03x = 31,889,980,652.22
  5. Step 5: Solve for x
    x = 31,889,980,652.22/161,610.03
  6. Step 6: Final answer
    x = 197,326.74

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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.