Home / 189,512.31-261,526.25-104,628.77

Finding the Fourth Proportional to 189,512.31, 261,526.25 and 104,628.77

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Solution

The fourth proportional to 189,512.31, 261,526.25 and 104,628.77 is: 144,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,512.31 : 261,526.25 = 104,628.77 : x
  2. Step 2: Convert to fraction form
    189,512.31/261,526.25 = 104,628.77/x
  3. Step 3: Cross multiply
    189,512.31x = 261,526.25 × 104,628.77
  4. Step 4: Simplify right side
    189,512.31x = 27,363,168,029.44
  5. Step 5: Solve for x
    x = 27,363,168,029.44/189,512.31
  6. Step 6: Final answer
    x = 144,387.29

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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.