Home / 385,022.55-577,632.24-148,301.67

Finding the Fourth Proportional to 385,022.55, 577,632.24 and 148,301.67

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Solution

The fourth proportional to 385,022.55, 577,632.24 and 148,301.67 is: 222,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,022.55 : 577,632.24 = 148,301.67 : x
  2. Step 2: Convert to fraction form
    385,022.55/577,632.24 = 148,301.67/x
  3. Step 3: Cross multiply
    385,022.55x = 577,632.24 × 148,301.67
  4. Step 4: Simplify right side
    385,022.55x = 85,663,825,837.84
  5. Step 5: Solve for x
    x = 85,663,825,837.84/385,022.55
  6. Step 6: Final answer
    x = 222,490.41

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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.