Home / 108,359.10-162,487.62-70,346.88

Finding the Fourth Proportional to 108,359.10, 162,487.62 and 70,346.88

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Solution

The fourth proportional to 108,359.10, 162,487.62 and 70,346.88 is: 105,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,359.10 : 162,487.62 = 70,346.88 : x
  2. Step 2: Convert to fraction form
    108,359.10/162,487.62 = 70,346.88/x
  3. Step 3: Cross multiply
    108,359.10x = 162,487.62 × 70,346.88
  4. Step 4: Simplify right side
    108,359.10x = 11,430,497,105.63
  5. Step 5: Solve for x
    x = 11,430,497,105.63/108,359.10
  6. Step 6: Final answer
    x = 105,487.19

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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.