Home / 228,429.81-342,714.84-102,176.25

Finding the Fourth Proportional to 228,429.81, 342,714.84 and 102,176.25

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Solution

The fourth proportional to 228,429.81, 342,714.84 and 102,176.25 is: 153,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,429.81 : 342,714.84 = 102,176.25 : x
  2. Step 2: Convert to fraction form
    228,429.81/342,714.84 = 102,176.25/x
  3. Step 3: Cross multiply
    228,429.81x = 342,714.84 × 102,176.25
  4. Step 4: Simplify right side
    228,429.81x = 35,017,317,170.55
  5. Step 5: Solve for x
    x = 35,017,317,170.55/228,429.81
  6. Step 6: Final answer
    x = 153,295.74

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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.