Home / 314,809.41-434,438.45-178,850.82

Finding the Fourth Proportional to 314,809.41, 434,438.45 and 178,850.82

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Solution

The fourth proportional to 314,809.41, 434,438.45 and 178,850.82 is: 246,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,809.41 : 434,438.45 = 178,850.82 : x
  2. Step 2: Convert to fraction form
    314,809.41/434,438.45 = 178,850.82/x
  3. Step 3: Cross multiply
    314,809.41x = 434,438.45 × 178,850.82
  4. Step 4: Simplify right side
    314,809.41x = 77,699,672,989.93
  5. Step 5: Solve for x
    x = 77,699,672,989.93/314,809.41
  6. Step 6: Final answer
    x = 246,814.96

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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.