Home / 109,626.10-164,111.10-97,816.30

Finding the Fourth Proportional to 109,626.10, 164,111.10 and 97,816.30

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Solution

The fourth proportional to 109,626.10, 164,111.10 and 97,816.30 is: 146,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626.10 : 164,111.10 = 97,816.30 : x
  2. Step 2: Convert to fraction form
    109,626.10/164,111.10 = 97,816.30/x
  3. Step 3: Cross multiply
    109,626.10x = 164,111.10 × 97,816.30
  4. Step 4: Simplify right side
    109,626.10x = 16,052,740,590.93
  5. Step 5: Solve for x
    x = 16,052,740,590.93/109,626.10
  6. Step 6: Final answer
    x = 146,431.74

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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.