Home / 357,639.37-493,534.40-194,291.66

Finding the Fourth Proportional to 357,639.37, 493,534.40 and 194,291.66

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Solution

The fourth proportional to 357,639.37, 493,534.40 and 194,291.66 is: 268,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,639.37 : 493,534.40 = 194,291.66 : x
  2. Step 2: Convert to fraction form
    357,639.37/493,534.40 = 194,291.66/x
  3. Step 3: Cross multiply
    357,639.37x = 493,534.40 × 194,291.66
  4. Step 4: Simplify right side
    357,639.37x = 95,889,615,050.64
  5. Step 5: Solve for x
    x = 95,889,615,050.64/357,639.37
  6. Step 6: Final answer
    x = 268,118.17

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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.