Home / 393,158.47-589,668.50-104,973.69

Finding the Fourth Proportional to 393,158.47, 589,668.50 and 104,973.69

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Solution

The fourth proportional to 393,158.47, 589,668.50 and 104,973.69 is: 157,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,158.47 : 589,668.50 = 104,973.69 : x
  2. Step 2: Convert to fraction form
    393,158.47/589,668.50 = 104,973.69/x
  3. Step 3: Cross multiply
    393,158.47x = 589,668.50 × 104,973.69
  4. Step 4: Simplify right side
    393,158.47x = 61,899,678,321.77
  5. Step 5: Solve for x
    x = 61,899,678,321.77/393,158.47
  6. Step 6: Final answer
    x = 157,442.06

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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.