Home / 132,883.63-199,128.53-109,358.35

Finding the Fourth Proportional to 132,883.63, 199,128.53 and 109,358.35

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Solution

The fourth proportional to 132,883.63, 199,128.53 and 109,358.35 is: 163,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883.63 : 199,128.53 = 109,358.35 : x
  2. Step 2: Convert to fraction form
    132,883.63/199,128.53 = 109,358.35/x
  3. Step 3: Cross multiply
    132,883.63x = 199,128.53 × 109,358.35
  4. Step 4: Simplify right side
    132,883.63x = 21,776,367,254.30
  5. Step 5: Solve for x
    x = 21,776,367,254.30/132,883.63
  6. Step 6: Final answer
    x = 163,875.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.