Home / 314,976.30-434,669.34-171,738.74

Finding the Fourth Proportional to 314,976.30, 434,669.34 and 171,738.74

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Solution

The fourth proportional to 314,976.30, 434,669.34 and 171,738.74 is: 237,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,976.30 : 434,669.34 = 171,738.74 : x
  2. Step 2: Convert to fraction form
    314,976.30/434,669.34 = 171,738.74/x
  3. Step 3: Cross multiply
    314,976.30x = 434,669.34 × 171,738.74
  4. Step 4: Simplify right side
    314,976.30x = 74,649,562,594.88
  5. Step 5: Solve for x
    x = 74,649,562,594.88/314,976.30
  6. Step 6: Final answer
    x = 237,000.57

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1.5x scale

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.