Home / 191,204.84-263,869.07-105,167.45

Finding the Fourth Proportional to 191,204.84, 263,869.07 and 105,167.45

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Solution

The fourth proportional to 191,204.84, 263,869.07 and 105,167.45 is: 145,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,204.84 : 263,869.07 = 105,167.45 : x
  2. Step 2: Convert to fraction form
    191,204.84/263,869.07 = 105,167.45/x
  3. Step 3: Cross multiply
    191,204.84x = 263,869.07 × 105,167.45
  4. Step 4: Simplify right side
    191,204.84x = 27,750,437,225.77
  5. Step 5: Solve for x
    x = 27,750,437,225.77/191,204.84
  6. Step 6: Final answer
    x = 145,134.60

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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.