Home / 370,428.63-555,680.13-100,561.33

Finding the Fourth Proportional to 370,428.63, 555,680.13 and 100,561.33

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Solution

The fourth proportional to 370,428.63, 555,680.13 and 100,561.33 is: 150,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,428.63 : 555,680.13 = 100,561.33 : x
  2. Step 2: Convert to fraction form
    370,428.63/555,680.13 = 100,561.33/x
  3. Step 3: Cross multiply
    370,428.63x = 555,680.13 × 100,561.33
  4. Step 4: Simplify right side
    370,428.63x = 55,879,932,927.37
  5. Step 5: Solve for x
    x = 55,879,932,927.37/370,428.63
  6. Step 6: Final answer
    x = 150,852.09

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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.