Home / 318,622.19-439,740.61-191,305.98

Finding the Fourth Proportional to 318,622.19, 439,740.61 and 191,305.98

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Solution

The fourth proportional to 318,622.19, 439,740.61 and 191,305.98 is: 264,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,622.19 : 439,740.61 = 191,305.98 : x
  2. Step 2: Convert to fraction form
    318,622.19/439,740.61 = 191,305.98/x
  3. Step 3: Cross multiply
    318,622.19x = 439,740.61 × 191,305.98
  4. Step 4: Simplify right side
    318,622.19x = 84,125,008,341.85
  5. Step 5: Solve for x
    x = 84,125,008,341.85/318,622.19
  6. Step 6: Final answer
    x = 264,027.46

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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.