Home / 108,229.10-149,259.45-67,946.62

Finding the Fourth Proportional to 108,229.10, 149,259.45 and 67,946.62

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Solution

The fourth proportional to 108,229.10, 149,259.45 and 67,946.62 is: 93,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,229.10 : 149,259.45 = 67,946.62 : x
  2. Step 2: Convert to fraction form
    108,229.10/149,259.45 = 67,946.62/x
  3. Step 3: Cross multiply
    108,229.10x = 149,259.45 × 67,946.62
  4. Step 4: Simplify right side
    108,229.10x = 10,141,674,384.26
  5. Step 5: Solve for x
    x = 10,141,674,384.26/108,229.10
  6. Step 6: Final answer
    x = 93,705.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.