Home / 219,374.36-302,737.56-118,772.36

Finding the Fourth Proportional to 219,374.36, 302,737.56 and 118,772.36

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Solution

The fourth proportional to 219,374.36, 302,737.56 and 118,772.36 is: 163,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,374.36 : 302,737.56 = 118,772.36 : x
  2. Step 2: Convert to fraction form
    219,374.36/302,737.56 = 118,772.36/x
  3. Step 3: Cross multiply
    219,374.36x = 302,737.56 × 118,772.36
  4. Step 4: Simplify right side
    219,374.36x = 35,956,854,461.84
  5. Step 5: Solve for x
    x = 35,956,854,461.84/219,374.36
  6. Step 6: Final answer
    x = 163,906.37

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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.