Home / 101,090.98-151,738.95-91,162.66

Finding the Fourth Proportional to 101,090.98, 151,738.95 and 91,162.66

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Solution

The fourth proportional to 101,090.98, 151,738.95 and 91,162.66 is: 136,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,090.98 : 151,738.95 = 91,162.66 : x
  2. Step 2: Convert to fraction form
    101,090.98/151,738.95 = 91,162.66/x
  3. Step 3: Cross multiply
    101,090.98x = 151,738.95 × 91,162.66
  4. Step 4: Simplify right side
    101,090.98x = 13,832,926,307.61
  5. Step 5: Solve for x
    x = 13,832,926,307.61/101,090.98
  6. Step 6: Final answer
    x = 136,836.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.