Home / 314,864.28-434,499.39-171,620.91

Finding the Fourth Proportional to 314,864.28, 434,499.39 and 171,620.91

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Solution

The fourth proportional to 314,864.28, 434,499.39 and 171,620.91 is: 236,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,864.28 : 434,499.39 = 171,620.91 : x
  2. Step 2: Convert to fraction form
    314,864.28/434,499.39 = 171,620.91/x
  3. Step 3: Cross multiply
    314,864.28x = 434,499.39 × 171,620.91
  4. Step 4: Simplify right side
    314,864.28x = 74,569,180,706.24
  5. Step 5: Solve for x
    x = 74,569,180,706.24/314,864.28
  6. Step 6: Final answer
    x = 236,829.60

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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.