Home / 219,478.33-302,878.20-118,876.33

Finding the Fourth Proportional to 219,478.33, 302,878.20 and 118,876.33

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Solution

The fourth proportional to 219,478.33, 302,878.20 and 118,876.33 is: 164,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,478.33 : 302,878.20 = 118,876.33 : x
  2. Step 2: Convert to fraction form
    219,478.33/302,878.20 = 118,876.33/x
  3. Step 3: Cross multiply
    219,478.33x = 302,878.20 × 118,876.33
  4. Step 4: Simplify right side
    219,478.33x = 36,005,048,853.01
  5. Step 5: Solve for x
    x = 36,005,048,853.01/219,478.33
  6. Step 6: Final answer
    x = 164,048.31

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1.5x scale

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.