Home / 357,890.08-493,897.86-194,557.60

Finding the Fourth Proportional to 357,890.08, 493,897.86 and 194,557.60

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Solution

The fourth proportional to 357,890.08, 493,897.86 and 194,557.60 is: 268,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,890.08 : 493,897.86 = 194,557.60 : x
  2. Step 2: Convert to fraction form
    357,890.08/493,897.86 = 194,557.60/x
  3. Step 3: Cross multiply
    357,890.08x = 493,897.86 × 194,557.60
  4. Step 4: Simplify right side
    357,890.08x = 96,091,582,286.74
  5. Step 5: Solve for x
    x = 96,091,582,286.74/357,890.08
  6. Step 6: Final answer
    x = 268,494.68

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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.