Home / 254,217.36-381,328.20-64,677.90

Finding the Fourth Proportional to 254,217.36, 381,328.20 and 64,677.90

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Solution

The fourth proportional to 254,217.36, 381,328.20 and 64,677.90 is: 97,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,217.36 : 381,328.20 = 64,677.90 : x
  2. Step 2: Convert to fraction form
    254,217.36/381,328.20 = 64,677.90/x
  3. Step 3: Cross multiply
    254,217.36x = 381,328.20 × 64,677.90
  4. Step 4: Simplify right side
    254,217.36x = 24,663,507,186.78
  5. Step 5: Solve for x
    x = 24,663,507,186.78/254,217.36
  6. Step 6: Final answer
    x = 97,017.40

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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.