Home / 316,002.44-436,083.35-172,762.45

Finding the Fourth Proportional to 316,002.44, 436,083.35 and 172,762.45

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Solution

The fourth proportional to 316,002.44, 436,083.35 and 172,762.45 is: 238,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,002.44 : 436,083.35 = 172,762.45 : x
  2. Step 2: Convert to fraction form
    316,002.44/436,083.35 = 172,762.45/x
  3. Step 3: Cross multiply
    316,002.44x = 436,083.35 × 172,762.45
  4. Step 4: Simplify right side
    316,002.44x = 75,338,825,996.19
  5. Step 5: Solve for x
    x = 75,338,825,996.19/316,002.44
  6. Step 6: Final answer
    x = 238,412.16

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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.