Home / 357,945.48-493,968.06-196,801.56

Finding the Fourth Proportional to 357,945.48, 493,968.06 and 196,801.56

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Solution

The fourth proportional to 357,945.48, 493,968.06 and 196,801.56 is: 271,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,945.48 : 493,968.06 = 196,801.56 : x
  2. Step 2: Convert to fraction form
    357,945.48/493,968.06 = 196,801.56/x
  3. Step 3: Cross multiply
    357,945.48x = 493,968.06 × 196,801.56
  4. Step 4: Simplify right side
    357,945.48x = 97,213,684,798.17
  5. Step 5: Solve for x
    x = 97,213,684,798.17/357,945.48
  6. Step 6: Final answer
    x = 271,587.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.