Home / 354,040.15-531,191.45-164,602.21

Finding the Fourth Proportional to 354,040.15, 531,191.45 and 164,602.21

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Solution

The fourth proportional to 354,040.15, 531,191.45 and 164,602.21 is: 246,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,040.15 : 531,191.45 = 164,602.21 : x
  2. Step 2: Convert to fraction form
    354,040.15/531,191.45 = 164,602.21/x
  3. Step 3: Cross multiply
    354,040.15x = 531,191.45 × 164,602.21
  4. Step 4: Simplify right side
    354,040.15x = 87,435,286,603.10
  5. Step 5: Solve for x
    x = 87,435,286,603.10/354,040.15
  6. Step 6: Final answer
    x = 246,964.32

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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.