Home / 236,825.48-326,818.59-129,396.32

Finding the Fourth Proportional to 236,825.48, 326,818.59 and 129,396.32

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Solution

The fourth proportional to 236,825.48, 326,818.59 and 129,396.32 is: 178,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,825.48 : 326,818.59 = 129,396.32 : x
  2. Step 2: Convert to fraction form
    236,825.48/326,818.59 = 129,396.32/x
  3. Step 3: Cross multiply
    236,825.48x = 326,818.59 × 129,396.32
  4. Step 4: Simplify right side
    236,825.48x = 42,289,121,219.50
  5. Step 5: Solve for x
    x = 42,289,121,219.50/236,825.48
  6. Step 6: Final answer
    x = 178,566.61

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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.