Home / 314,804.04-434,428.80-171,563.85

Finding the Fourth Proportional to 314,804.04, 434,428.80 and 171,563.85

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Solution

The fourth proportional to 314,804.04, 434,428.80 and 171,563.85 is: 236,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,804.04 : 434,428.80 = 171,563.85 : x
  2. Step 2: Convert to fraction form
    314,804.04/434,428.80 = 171,563.85/x
  3. Step 3: Cross multiply
    314,804.04x = 434,428.80 × 171,563.85
  4. Step 4: Simplify right side
    314,804.04x = 74,532,277,478.88
  5. Step 5: Solve for x
    x = 74,532,277,478.88/314,804.04
  6. Step 6: Final answer
    x = 236,757.69

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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.