Home / 189,718.61-261,828.25-104,852.07

Finding the Fourth Proportional to 189,718.61, 261,828.25 and 104,852.07

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Solution

The fourth proportional to 189,718.61, 261,828.25 and 104,852.07 is: 144,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,718.61 : 261,828.25 = 104,852.07 : x
  2. Step 2: Convert to fraction form
    189,718.61/261,828.25 = 104,852.07/x
  3. Step 3: Cross multiply
    189,718.61x = 261,828.25 × 104,852.07
  4. Step 4: Simplify right side
    189,718.61x = 27,453,233,734.85
  5. Step 5: Solve for x
    x = 27,453,233,734.85/189,718.61
  6. Step 6: Final answer
    x = 144,705.02

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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.