Home / 357,927.08-493,939.68-196,784.88

Finding the Fourth Proportional to 357,927.08, 493,939.68 and 196,784.88

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Solution

The fourth proportional to 357,927.08, 493,939.68 and 196,784.88 is: 271,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,927.08 : 493,939.68 = 196,784.88 : x
  2. Step 2: Convert to fraction form
    357,927.08/493,939.68 = 196,784.88/x
  3. Step 3: Cross multiply
    357,927.08x = 493,939.68 × 196,784.88
  4. Step 4: Simplify right side
    357,927.08x = 97,199,860,656.04
  5. Step 5: Solve for x
    x = 97,199,860,656.04/357,927.08
  6. Step 6: Final answer
    x = 271,563.30

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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.