Home / 219,052.80-328,613.04-92,693.76

Finding the Fourth Proportional to 219,052.80, 328,613.04 and 92,693.76

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Solution

The fourth proportional to 219,052.80, 328,613.04 and 92,693.76 is: 139,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,052.80 : 328,613.04 = 92,693.76 : x
  2. Step 2: Convert to fraction form
    219,052.80/328,613.04 = 92,693.76/x
  3. Step 3: Cross multiply
    219,052.80x = 328,613.04 × 92,693.76
  4. Step 4: Simplify right side
    219,052.80x = 30,460,378,262.63
  5. Step 5: Solve for x
    x = 30,460,378,262.63/219,052.80
  6. Step 6: Final answer
    x = 139,054.96

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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.