Home / 143,770.14-215,688.02-43,944.53

Finding the Fourth Proportional to 143,770.14, 215,688.02 and 43,944.53

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Solution

The fourth proportional to 143,770.14, 215,688.02 and 43,944.53 is: 65,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,770.14 : 215,688.02 = 43,944.53 : x
  2. Step 2: Convert to fraction form
    143,770.14/215,688.02 = 43,944.53/x
  3. Step 3: Cross multiply
    143,770.14x = 215,688.02 × 43,944.53
  4. Step 4: Simplify right side
    143,770.14x = 9,478,307,367.37
  5. Step 5: Solve for x
    x = 9,478,307,367.37/143,770.14
  6. Step 6: Final answer
    x = 65,926.81

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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.