Home / 316,541.76-436,811.04-173,274.36

Finding the Fourth Proportional to 316,541.76, 436,811.04 and 173,274.36

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Solution

The fourth proportional to 316,541.76, 436,811.04 and 173,274.36 is: 239,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,541.76 : 436,811.04 = 173,274.36 : x
  2. Step 2: Convert to fraction form
    316,541.76/436,811.04 = 173,274.36/x
  3. Step 3: Cross multiply
    316,541.76x = 436,811.04 × 173,274.36
  4. Step 4: Simplify right side
    316,541.76x = 75,688,153,396.93
  5. Step 5: Solve for x
    x = 75,688,153,396.93/316,541.76
  6. Step 6: Final answer
    x = 239,109.54

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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.