Home / 316,347.26-436,558.04-171,152.58

Finding the Fourth Proportional to 316,347.26, 436,558.04 and 171,152.58

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Solution

The fourth proportional to 316,347.26, 436,558.04 and 171,152.58 is: 236,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,347.26 : 436,558.04 = 171,152.58 : x
  2. Step 2: Convert to fraction form
    316,347.26/436,558.04 = 171,152.58/x
  3. Step 3: Cross multiply
    316,347.26x = 436,558.04 × 171,152.58
  4. Step 4: Simplify right side
    316,347.26x = 74,718,034,865.74
  5. Step 5: Solve for x
    x = 74,718,034,865.74/316,347.26
  6. Step 6: Final answer
    x = 236,189.92

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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.