Home / 108,736.20-163,541.70-97,363.80

Finding the Fourth Proportional to 108,736.20, 163,541.70 and 97,363.80

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Solution

The fourth proportional to 108,736.20, 163,541.70 and 97,363.80 is: 146,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,736.20 : 163,541.70 = 97,363.80 : x
  2. Step 2: Convert to fraction form
    108,736.20/163,541.70 = 97,363.80/x
  3. Step 3: Cross multiply
    108,736.20x = 163,541.70 × 97,363.80
  4. Step 4: Simplify right side
    108,736.20x = 15,923,041,370.46
  5. Step 5: Solve for x
    x = 15,923,041,370.46/108,736.20
  6. Step 6: Final answer
    x = 146,437.35

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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.