Home / 297,434.79-446,152.16-87,072.72

Finding the Fourth Proportional to 297,434.79, 446,152.16 and 87,072.72

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Solution

The fourth proportional to 297,434.79, 446,152.16 and 87,072.72 is: 130,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,434.79 : 446,152.16 = 87,072.72 : x
  2. Step 2: Convert to fraction form
    297,434.79/446,152.16 = 87,072.72/x
  3. Step 3: Cross multiply
    297,434.79x = 446,152.16 × 87,072.72
  4. Step 4: Simplify right side
    297,434.79x = 38,847,682,105.08
  5. Step 5: Solve for x
    x = 38,847,682,105.08/297,434.79
  6. Step 6: Final answer
    x = 130,609.07

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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.