Home / 101,196.14-151,666.63-51,288.80

Finding the Fourth Proportional to 101,196.14, 151,666.63 and 51,288.80

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Solution

The fourth proportional to 101,196.14, 151,666.63 and 51,288.80 is: 76,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,196.14 : 151,666.63 = 51,288.80 : x
  2. Step 2: Convert to fraction form
    101,196.14/151,666.63 = 51,288.80/x
  3. Step 3: Cross multiply
    101,196.14x = 151,666.63 × 51,288.80
  4. Step 4: Simplify right side
    101,196.14x = 7,778,798,566.19
  5. Step 5: Solve for x
    x = 7,778,798,566.19/101,196.14
  6. Step 6: Final answer
    x = 76,868.53

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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.