Home / 236,379.75-326,204.06-128,950.22

Finding the Fourth Proportional to 236,379.75, 326,204.06 and 128,950.22

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Solution

The fourth proportional to 236,379.75, 326,204.06 and 128,950.22 is: 177,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,379.75 : 326,204.06 = 128,950.22 : x
  2. Step 2: Convert to fraction form
    236,379.75/326,204.06 = 128,950.22/x
  3. Step 3: Cross multiply
    236,379.75x = 326,204.06 × 128,950.22
  4. Step 4: Simplify right side
    236,379.75x = 42,064,083,026.12
  5. Step 5: Solve for x
    x = 42,064,083,026.12/236,379.75
  6. Step 6: Final answer
    x = 177,951.30

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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.