Home / 189,790.43-261,925.57-104,915.39

Finding the Fourth Proportional to 189,790.43, 261,925.57 and 104,915.39

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Solution

The fourth proportional to 189,790.43, 261,925.57 and 104,915.39 is: 144,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,790.43 : 261,925.57 = 104,915.39 : x
  2. Step 2: Convert to fraction form
    189,790.43/261,925.57 = 104,915.39/x
  3. Step 3: Cross multiply
    189,790.43x = 261,925.57 × 104,915.39
  4. Step 4: Simplify right side
    189,790.43x = 27,480,024,113.48
  5. Step 5: Solve for x
    x = 27,480,024,113.48/189,790.43
  6. Step 6: Final answer
    x = 144,791.41

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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.