Home / 189,292.32-261,219.36-104,417.28

Finding the Fourth Proportional to 189,292.32, 261,219.36 and 104,417.28

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Solution

The fourth proportional to 189,292.32, 261,219.36 and 104,417.28 is: 144,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,292.32 : 261,219.36 = 104,417.28 : x
  2. Step 2: Convert to fraction form
    189,292.32/261,219.36 = 104,417.28/x
  3. Step 3: Cross multiply
    189,292.32x = 261,219.36 × 104,417.28
  4. Step 4: Simplify right side
    189,292.32x = 27,275,815,054.54
  5. Step 5: Solve for x
    x = 27,275,815,054.54/189,292.32
  6. Step 6: Final answer
    x = 144,093.62

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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.