Home / 163,835.89-245,438.96-100,471.24

Finding the Fourth Proportional to 163,835.89, 245,438.96 and 100,471.24

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Solution

The fourth proportional to 163,835.89, 245,438.96 and 100,471.24 is: 150,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,835.89 : 245,438.96 = 100,471.24 : x
  2. Step 2: Convert to fraction form
    163,835.89/245,438.96 = 100,471.24/x
  3. Step 3: Cross multiply
    163,835.89x = 245,438.96 × 100,471.24
  4. Step 4: Simplify right side
    163,835.89x = 24,659,556,655.51
  5. Step 5: Solve for x
    x = 24,659,556,655.51/163,835.89
  6. Step 6: Final answer
    x = 150,513.77

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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.