Home / 197,672.58-272,790.36-107,030.52

Finding the Fourth Proportional to 197,672.58, 272,790.36 and 107,030.52

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Solution

The fourth proportional to 197,672.58, 272,790.36 and 107,030.52 is: 147,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,672.58 : 272,790.36 = 107,030.52 : x
  2. Step 2: Convert to fraction form
    197,672.58/272,790.36 = 107,030.52/x
  3. Step 3: Cross multiply
    197,672.58x = 272,790.36 × 107,030.52
  4. Step 4: Simplify right side
    197,672.58x = 29,196,894,081.79
  5. Step 5: Solve for x
    x = 29,196,894,081.79/197,672.58
  6. Step 6: Final answer
    x = 147,703.31

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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.