Home / 314,836.25-434,483.19-171,605.57

Finding the Fourth Proportional to 314,836.25, 434,483.19 and 171,605.57

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Solution

The fourth proportional to 314,836.25, 434,483.19 and 171,605.57 is: 236,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,836.25 : 434,483.19 = 171,605.57 : x
  2. Step 2: Convert to fraction form
    314,836.25/434,483.19 = 171,605.57/x
  3. Step 3: Cross multiply
    314,836.25x = 434,483.19 × 171,605.57
  4. Step 4: Simplify right side
    314,836.25x = 74,559,733,302.95
  5. Step 5: Solve for x
    x = 74,559,733,302.95/314,836.25
  6. Step 6: Final answer
    x = 236,820.68

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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.