Home / 161,735.20-242,516.40-56,557.60

Finding the Fourth Proportional to 161,735.20, 242,516.40 and 56,557.60

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Solution

The fourth proportional to 161,735.20, 242,516.40 and 56,557.60 is: 84,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,735.20 : 242,516.40 = 56,557.60 : x
  2. Step 2: Convert to fraction form
    161,735.20/242,516.40 = 56,557.60/x
  3. Step 3: Cross multiply
    161,735.20x = 242,516.40 × 56,557.60
  4. Step 4: Simplify right side
    161,735.20x = 13,716,145,544.64
  5. Step 5: Solve for x
    x = 13,716,145,544.64/161,735.20
  6. Step 6: Final answer
    x = 84,806.19

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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.