Home / 219,558.41-302,990.63-118,956.41

Finding the Fourth Proportional to 219,558.41, 302,990.63 and 118,956.41

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Solution

The fourth proportional to 219,558.41, 302,990.63 and 118,956.41 is: 164,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,558.41 : 302,990.63 = 118,956.41 : x
  2. Step 2: Convert to fraction form
    219,558.41/302,990.63 = 118,956.41/x
  3. Step 3: Cross multiply
    219,558.41x = 302,990.63 × 118,956.41
  4. Step 4: Simplify right side
    219,558.41x = 36,042,677,013.66
  5. Step 5: Solve for x
    x = 36,042,677,013.66/219,558.41
  6. Step 6: Final answer
    x = 164,159.86

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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.