Home / 316,541.52-436,824.09-173,300.31

Finding the Fourth Proportional to 316,541.52, 436,824.09 and 173,300.31

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Solution

The fourth proportional to 316,541.52, 436,824.09 and 173,300.31 is: 239,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,541.52 : 436,824.09 = 173,300.31 : x
  2. Step 2: Convert to fraction form
    316,541.52/436,824.09 = 173,300.31/x
  3. Step 3: Cross multiply
    316,541.52x = 436,824.09 × 173,300.31
  4. Step 4: Simplify right side
    316,541.52x = 75,701,750,212.47
  5. Step 5: Solve for x
    x = 75,701,750,212.47/316,541.52
  6. Step 6: Final answer
    x = 239,152.67

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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.