Home / 193,553.50-290,330.26-53,312.12

Finding the Fourth Proportional to 193,553.50, 290,330.26 and 53,312.12

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Solution

The fourth proportional to 193,553.50, 290,330.26 and 53,312.12 is: 79,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,553.50 : 290,330.26 = 53,312.12 : x
  2. Step 2: Convert to fraction form
    193,553.50/290,330.26 = 53,312.12/x
  3. Step 3: Cross multiply
    193,553.50x = 290,330.26 × 53,312.12
  4. Step 4: Simplify right side
    193,553.50x = 15,478,121,660.75
  5. Step 5: Solve for x
    x = 15,478,121,660.75/193,553.50
  6. Step 6: Final answer
    x = 79,968.18

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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.