Home / 169,638.10-254,165.55-110,443.30

Finding the Fourth Proportional to 169,638.10, 254,165.55 and 110,443.30

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Solution

The fourth proportional to 169,638.10, 254,165.55 and 110,443.30 is: 165,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.10 : 254,165.55 = 110,443.30 : x
  2. Step 2: Convert to fraction form
    169,638.10/254,165.55 = 110,443.30/x
  3. Step 3: Cross multiply
    169,638.10x = 254,165.55 × 110,443.30
  4. Step 4: Simplify right side
    169,638.10x = 28,070,882,088.32
  5. Step 5: Solve for x
    x = 28,070,882,088.32/169,638.10
  6. Step 6: Final answer
    x = 165,475.10

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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.