Home / 189,104.22-260,881.16-135,369.63

Finding the Fourth Proportional to 189,104.22, 260,881.16 and 135,369.63

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Solution

The fourth proportional to 189,104.22, 260,881.16 and 135,369.63 is: 186,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,104.22 : 260,881.16 = 135,369.63 : x
  2. Step 2: Convert to fraction form
    189,104.22/260,881.16 = 135,369.63/x
  3. Step 3: Cross multiply
    189,104.22x = 260,881.16 × 135,369.63
  4. Step 4: Simplify right side
    189,104.22x = 35,315,385,426.32
  5. Step 5: Solve for x
    x = 35,315,385,426.32/189,104.22
  6. Step 6: Final answer
    x = 186,750.91

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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.