Home / 316,365.24-436,570.02-173,131.32

Finding the Fourth Proportional to 316,365.24, 436,570.02 and 173,131.32

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Solution

The fourth proportional to 316,365.24, 436,570.02 and 173,131.32 is: 238,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,365.24 : 436,570.02 = 173,131.32 : x
  2. Step 2: Convert to fraction form
    316,365.24/436,570.02 = 173,131.32/x
  3. Step 3: Cross multiply
    316,365.24x = 436,570.02 × 173,131.32
  4. Step 4: Simplify right side
    316,365.24x = 75,583,943,835.03
  5. Step 5: Solve for x
    x = 75,583,943,835.03/316,365.24
  6. Step 6: Final answer
    x = 238,913.55

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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.