Home / 297,790.19-446,768.66-120,421.76

Finding the Fourth Proportional to 297,790.19, 446,768.66 and 120,421.76

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Solution

The fourth proportional to 297,790.19, 446,768.66 and 120,421.76 is: 180,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,790.19 : 446,768.66 = 120,421.76 : x
  2. Step 2: Convert to fraction form
    297,790.19/446,768.66 = 120,421.76/x
  3. Step 3: Cross multiply
    297,790.19x = 446,768.66 × 120,421.76
  4. Step 4: Simplify right side
    297,790.19x = 53,800,666,417.25
  5. Step 5: Solve for x
    x = 53,800,666,417.25/297,790.19
  6. Step 6: Final answer
    x = 180,666.35

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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.