Home / 193,548.42-290,321.01-105,362.64

Finding the Fourth Proportional to 193,548.42, 290,321.01 and 105,362.64

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Solution

The fourth proportional to 193,548.42, 290,321.01 and 105,362.64 is: 158,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548.42 : 290,321.01 = 105,362.64 : x
  2. Step 2: Convert to fraction form
    193,548.42/290,321.01 = 105,362.64/x
  3. Step 3: Cross multiply
    193,548.42x = 290,321.01 × 105,362.64
  4. Step 4: Simplify right side
    193,548.42x = 30,588,988,061.07
  5. Step 5: Solve for x
    x = 30,588,988,061.07/193,548.42
  6. Step 6: Final answer
    x = 158,043.08

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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.