Home / 228,051.02-342,076.50-70,279.46

Finding the Fourth Proportional to 228,051.02, 342,076.50 and 70,279.46

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Solution

The fourth proportional to 228,051.02, 342,076.50 and 70,279.46 is: 105,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,051.02 : 342,076.50 = 70,279.46 : x
  2. Step 2: Convert to fraction form
    228,051.02/342,076.50 = 70,279.46/x
  3. Step 3: Cross multiply
    228,051.02x = 342,076.50 × 70,279.46
  4. Step 4: Simplify right side
    228,051.02x = 24,040,951,698.69
  5. Step 5: Solve for x
    x = 24,040,951,698.69/228,051.02
  6. Step 6: Final answer
    x = 105,419.18

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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.