Home / 207,788.63-286,748.37-118,364.63

Finding the Fourth Proportional to 207,788.63, 286,748.37 and 118,364.63

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Solution

The fourth proportional to 207,788.63, 286,748.37 and 118,364.63 is: 163,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,788.63 : 286,748.37 = 118,364.63 : x
  2. Step 2: Convert to fraction form
    207,788.63/286,748.37 = 118,364.63/x
  3. Step 3: Cross multiply
    207,788.63x = 286,748.37 × 118,364.63
  4. Step 4: Simplify right side
    207,788.63x = 33,940,863,284.41
  5. Step 5: Solve for x
    x = 33,940,863,284.41/207,788.63
  6. Step 6: Final answer
    x = 163,343.22

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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.