Home / 283,162.23-390,707.23-162,341.41

Finding the Fourth Proportional to 283,162.23, 390,707.23 and 162,341.41

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Solution

The fourth proportional to 283,162.23, 390,707.23 and 162,341.41 is: 223,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,162.23 : 390,707.23 = 162,341.41 : x
  2. Step 2: Convert to fraction form
    283,162.23/390,707.23 = 162,341.41/x
  3. Step 3: Cross multiply
    283,162.23x = 390,707.23 × 162,341.41
  4. Step 4: Simplify right side
    283,162.23x = 63,427,961,803.69
  5. Step 5: Solve for x
    x = 63,427,961,803.69/283,162.23
  6. Step 6: Final answer
    x = 223,998.67

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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.