Home / 219,056.78-302,298.26-118,454.78

Finding the Fourth Proportional to 219,056.78, 302,298.26 and 118,454.78

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Solution

The fourth proportional to 219,056.78, 302,298.26 and 118,454.78 is: 163,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,056.78 : 302,298.26 = 118,454.78 : x
  2. Step 2: Convert to fraction form
    219,056.78/302,298.26 = 118,454.78/x
  3. Step 3: Cross multiply
    219,056.78x = 302,298.26 × 118,454.78
  4. Step 4: Simplify right side
    219,056.78x = 35,808,671,778.92
  5. Step 5: Solve for x
    x = 35,808,671,778.92/219,056.78
  6. Step 6: Final answer
    x = 163,467.54

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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.