Home / 108,048.20-161,975.10-70,626.20

Finding the Fourth Proportional to 108,048.20, 161,975.10 and 70,626.20

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Solution

The fourth proportional to 108,048.20, 161,975.10 and 70,626.20 is: 105,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,048.20 : 161,975.10 = 70,626.20 : x
  2. Step 2: Convert to fraction form
    108,048.20/161,975.10 = 70,626.20/x
  3. Step 3: Cross multiply
    108,048.20x = 161,975.10 × 70,626.20
  4. Step 4: Simplify right side
    108,048.20x = 11,439,685,807.62
  5. Step 5: Solve for x
    x = 11,439,685,807.62/108,048.20
  6. Step 6: Final answer
    x = 105,875.76

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1.5x scale

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.