Home / 189,536.06-261,570.41-103,503.04

Finding the Fourth Proportional to 189,536.06, 261,570.41 and 103,503.04

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Solution

The fourth proportional to 189,536.06, 261,570.41 and 103,503.04 is: 142,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,536.06 : 261,570.41 = 103,503.04 : x
  2. Step 2: Convert to fraction form
    189,536.06/261,570.41 = 103,503.04/x
  3. Step 3: Cross multiply
    189,536.06x = 261,570.41 × 103,503.04
  4. Step 4: Simplify right side
    189,536.06x = 27,073,332,609.05
  5. Step 5: Solve for x
    x = 27,073,332,609.05/189,536.06
  6. Step 6: Final answer
    x = 142,840.01

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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.