Home / 571,005.60-856,306.80-196,941.60

Finding the Fourth Proportional to 571,005.60, 856,306.80 and 196,941.60

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Solution

The fourth proportional to 571,005.60, 856,306.80 and 196,941.60 is: 295,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,005.60 : 856,306.80 = 196,941.60 : x
  2. Step 2: Convert to fraction form
    571,005.60/856,306.80 = 196,941.60/x
  3. Step 3: Cross multiply
    571,005.60x = 856,306.80 × 196,941.60
  4. Step 4: Simplify right side
    571,005.60x = 168,642,431,282.88
  5. Step 5: Solve for x
    x = 168,642,431,282.88/571,005.60
  6. Step 6: Final answer
    x = 295,342.87

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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.