Home / 191,710.40-264,561.41-111,185.68

Finding the Fourth Proportional to 191,710.40, 264,561.41 and 111,185.68

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Solution

The fourth proportional to 191,710.40, 264,561.41 and 111,185.68 is: 153,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,710.40 : 264,561.41 = 111,185.68 : x
  2. Step 2: Convert to fraction form
    191,710.40/264,561.41 = 111,185.68/x
  3. Step 3: Cross multiply
    191,710.40x = 264,561.41 × 111,185.68
  4. Step 4: Simplify right side
    191,710.40x = 29,415,440,272.61
  5. Step 5: Solve for x
    x = 29,415,440,272.61/191,710.40
  6. Step 6: Final answer
    x = 153,436.85

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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.