Home / 314,811.08-434,439.62-171,571.24

Finding the Fourth Proportional to 314,811.08, 434,439.62 and 171,571.24

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Solution

The fourth proportional to 314,811.08, 434,439.62 and 171,571.24 is: 236,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,811.08 : 434,439.62 = 171,571.24 : x
  2. Step 2: Convert to fraction form
    314,811.08/434,439.62 = 171,571.24/x
  3. Step 3: Cross multiply
    314,811.08x = 434,439.62 × 171,571.24
  4. Step 4: Simplify right side
    314,811.08x = 74,537,344,308.53
  5. Step 5: Solve for x
    x = 74,537,344,308.53/314,811.08
  6. Step 6: Final answer
    x = 236,768.49

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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.