Home / 219,946.89-330,153.63-194,809.58

Finding the Fourth Proportional to 219,946.89, 330,153.63 and 194,809.58

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Solution

The fourth proportional to 219,946.89, 330,153.63 and 194,809.58 is: 292,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,946.89 : 330,153.63 = 194,809.58 : x
  2. Step 2: Convert to fraction form
    219,946.89/330,153.63 = 194,809.58/x
  3. Step 3: Cross multiply
    219,946.89x = 330,153.63 × 194,809.58
  4. Step 4: Simplify right side
    219,946.89x = 64,317,091,805.47
  5. Step 5: Solve for x
    x = 64,317,091,805.47/219,946.89
  6. Step 6: Final answer
    x = 292,421.01

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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.