Home / 236,263.61-326,051.66-128,839.54

Finding the Fourth Proportional to 236,263.61, 326,051.66 and 128,839.54

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Solution

The fourth proportional to 236,263.61, 326,051.66 and 128,839.54 is: 177,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,263.61 : 326,051.66 = 128,839.54 : x
  2. Step 2: Convert to fraction form
    236,263.61/326,051.66 = 128,839.54/x
  3. Step 3: Cross multiply
    236,263.61x = 326,051.66 × 128,839.54
  4. Step 4: Simplify right side
    236,263.61x = 42,008,345,890.64
  5. Step 5: Solve for x
    x = 42,008,345,890.64/236,263.61
  6. Step 6: Final answer
    x = 177,802.86

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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.