Home / 219,042.96-302,279.40-118,440.96

Finding the Fourth Proportional to 219,042.96, 302,279.40 and 118,440.96

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Solution

The fourth proportional to 219,042.96, 302,279.40 and 118,440.96 is: 163,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,042.96 : 302,279.40 = 118,440.96 : x
  2. Step 2: Convert to fraction form
    219,042.96/302,279.40 = 118,440.96/x
  3. Step 3: Cross multiply
    219,042.96x = 302,279.40 × 118,440.96
  4. Step 4: Simplify right side
    219,042.96x = 35,802,262,324.22
  5. Step 5: Solve for x
    x = 35,802,262,324.22/219,042.96
  6. Step 6: Final answer
    x = 163,448.59

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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.