Home / 314,975.80-434,668.64-171,738.24

Finding the Fourth Proportional to 314,975.80, 434,668.64 and 171,738.24

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Solution

The fourth proportional to 314,975.80, 434,668.64 and 171,738.24 is: 236,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,975.80 : 434,668.64 = 171,738.24 : x
  2. Step 2: Convert to fraction form
    314,975.80/434,668.64 = 171,738.24/x
  3. Step 3: Cross multiply
    314,975.80x = 434,668.64 × 171,738.24
  4. Step 4: Simplify right side
    314,975.80x = 74,649,227,216.79
  5. Step 5: Solve for x
    x = 74,649,227,216.79/314,975.80
  6. Step 6: Final answer
    x = 236,999.88

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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.