Home / 254,501.28-381,751.92-96,692.40

Finding the Fourth Proportional to 254,501.28, 381,751.92 and 96,692.40

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Solution

The fourth proportional to 254,501.28, 381,751.92 and 96,692.40 is: 145,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,501.28 : 381,751.92 = 96,692.40 : x
  2. Step 2: Convert to fraction form
    254,501.28/381,751.92 = 96,692.40/x
  3. Step 3: Cross multiply
    254,501.28x = 381,751.92 × 96,692.40
  4. Step 4: Simplify right side
    254,501.28x = 36,912,509,349.41
  5. Step 5: Solve for x
    x = 36,912,509,349.41/254,501.28
  6. Step 6: Final answer
    x = 145,038.60

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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.