Home / 98,266.20-147,302.10-48,305.40

Finding the Fourth Proportional to 98,266.20, 147,302.10 and 48,305.40

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Solution

The fourth proportional to 98,266.20, 147,302.10 and 48,305.40 is: 72,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266.20 : 147,302.10 = 48,305.40 : x
  2. Step 2: Convert to fraction form
    98,266.20/147,302.10 = 48,305.40/x
  3. Step 3: Cross multiply
    98,266.20x = 147,302.10 × 48,305.40
  4. Step 4: Simplify right side
    98,266.20x = 7,115,486,861.34
  5. Step 5: Solve for x
    x = 7,115,486,861.34/98,266.20
  6. Step 6: Final answer
    x = 72,410.32

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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.