Home / 191,116.95-263,718.48-105,061.74

Finding the Fourth Proportional to 191,116.95, 263,718.48 and 105,061.74

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Solution

The fourth proportional to 191,116.95, 263,718.48 and 105,061.74 is: 144,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116.95 : 263,718.48 = 105,061.74 : x
  2. Step 2: Convert to fraction form
    191,116.95/263,718.48 = 105,061.74/x
  3. Step 3: Cross multiply
    191,116.95x = 263,718.48 × 105,061.74
  4. Step 4: Simplify right side
    191,116.95x = 27,706,722,378.96
  5. Step 5: Solve for x
    x = 27,706,722,378.96/191,116.95
  6. Step 6: Final answer
    x = 144,972.61

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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.