Home / 119,449.06-164,771.13-74,659.30

Finding the Fourth Proportional to 119,449.06, 164,771.13 and 74,659.30

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Solution

The fourth proportional to 119,449.06, 164,771.13 and 74,659.30 is: 102,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,449.06 : 164,771.13 = 74,659.30 : x
  2. Step 2: Convert to fraction form
    119,449.06/164,771.13 = 74,659.30/x
  3. Step 3: Cross multiply
    119,449.06x = 164,771.13 × 74,659.30
  4. Step 4: Simplify right side
    119,449.06x = 12,301,697,226.01
  5. Step 5: Solve for x
    x = 12,301,697,226.01/119,449.06
  6. Step 6: Final answer
    x = 102,986.97

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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.