Home / 254,211.36-381,319.22-64,671.90

Finding the Fourth Proportional to 254,211.36, 381,319.22 and 64,671.90

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Solution

The fourth proportional to 254,211.36, 381,319.22 and 64,671.90 is: 97,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,211.36 : 381,319.22 = 64,671.90 : x
  2. Step 2: Convert to fraction form
    254,211.36/381,319.22 = 64,671.90/x
  3. Step 3: Cross multiply
    254,211.36x = 381,319.22 × 64,671.90
  4. Step 4: Simplify right side
    254,211.36x = 24,660,638,463.92
  5. Step 5: Solve for x
    x = 24,660,638,463.92/254,211.36
  6. Step 6: Final answer
    x = 97,008.40

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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.