Home / 314,786.34-434,403.71-171,546.35

Finding the Fourth Proportional to 314,786.34, 434,403.71 and 171,546.35

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Solution

The fourth proportional to 314,786.34, 434,403.71 and 171,546.35 is: 236,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,786.34 : 434,403.71 = 171,546.35 : x
  2. Step 2: Convert to fraction form
    314,786.34/434,403.71 = 171,546.35/x
  3. Step 3: Cross multiply
    314,786.34x = 434,403.71 × 171,546.35
  4. Step 4: Simplify right side
    314,786.34x = 74,520,367,847.21
  5. Step 5: Solve for x
    x = 74,520,367,847.21/314,786.34
  6. Step 6: Final answer
    x = 236,733.17

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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.