Home / 191,102.95-263,725.02-105,065.66

Finding the Fourth Proportional to 191,102.95, 263,725.02 and 105,065.66

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Solution

The fourth proportional to 191,102.95, 263,725.02 and 105,065.66 is: 144,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,102.95 : 263,725.02 = 105,065.66 : x
  2. Step 2: Convert to fraction form
    191,102.95/263,725.02 = 105,065.66/x
  3. Step 3: Cross multiply
    191,102.95x = 263,725.02 × 105,065.66
  4. Step 4: Simplify right side
    191,102.95x = 27,708,443,284.81
  5. Step 5: Solve for x
    x = 27,708,443,284.81/191,102.95
  6. Step 6: Final answer
    x = 144,992.23

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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.