Home / 314,811.45-434,427.14-171,568.41

Finding the Fourth Proportional to 314,811.45, 434,427.14 and 171,568.41

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Solution

The fourth proportional to 314,811.45, 434,427.14 and 171,568.41 is: 236,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,811.45 : 434,427.14 = 171,568.41 : x
  2. Step 2: Convert to fraction form
    314,811.45/434,427.14 = 171,568.41/x
  3. Step 3: Cross multiply
    314,811.45x = 434,427.14 × 171,568.41
  4. Step 4: Simplify right side
    314,811.45x = 74,533,972,812.81
  5. Step 5: Solve for x
    x = 74,533,972,812.81/314,811.45
  6. Step 6: Final answer
    x = 236,757.50

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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.