Home / 191,208.84-263,874.60-105,171.46

Finding the Fourth Proportional to 191,208.84, 263,874.60 and 105,171.46

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Solution

The fourth proportional to 191,208.84, 263,874.60 and 105,171.46 is: 145,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,208.84 : 263,874.60 = 105,171.46 : x
  2. Step 2: Convert to fraction form
    191,208.84/263,874.60 = 105,171.46/x
  3. Step 3: Cross multiply
    191,208.84x = 263,874.60 × 105,171.46
  4. Step 4: Simplify right side
    191,208.84x = 27,752,076,938.92
  5. Step 5: Solve for x
    x = 27,752,076,938.92/191,208.84
  6. Step 6: Final answer
    x = 145,140.14

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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.