Home / 236,348.01-326,161.26-128,920.35

Finding the Fourth Proportional to 236,348.01, 326,161.26 and 128,920.35

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Solution

The fourth proportional to 236,348.01, 326,161.26 and 128,920.35 is: 177,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,348.01 : 326,161.26 = 128,920.35 : x
  2. Step 2: Convert to fraction form
    236,348.01/326,161.26 = 128,920.35/x
  3. Step 3: Cross multiply
    236,348.01x = 326,161.26 × 128,920.35
  4. Step 4: Simplify right side
    236,348.01x = 42,048,823,795.64
  5. Step 5: Solve for x
    x = 42,048,823,795.64/236,348.01
  6. Step 6: Final answer
    x = 177,910.63

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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.