Home / 161,904.20-242,856.30-99,696.20

Finding the Fourth Proportional to 161,904.20, 242,856.30 and 99,696.20

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Solution

The fourth proportional to 161,904.20, 242,856.30 and 99,696.20 is: 149,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.20 : 242,856.30 = 99,696.20 : x
  2. Step 2: Convert to fraction form
    161,904.20/242,856.30 = 99,696.20/x
  3. Step 3: Cross multiply
    161,904.20x = 242,856.30 × 99,696.20
  4. Step 4: Simplify right side
    161,904.20x = 24,211,850,256.06
  5. Step 5: Solve for x
    x = 24,211,850,256.06/161,904.20
  6. Step 6: Final answer
    x = 149,544.30

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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.