Home / 163,611.29-245,269.32-113,714.89

Finding the Fourth Proportional to 163,611.29, 245,269.32 and 113,714.89

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Solution

The fourth proportional to 163,611.29, 245,269.32 and 113,714.89 is: 170,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,611.29 : 245,269.32 = 113,714.89 : x
  2. Step 2: Convert to fraction form
    163,611.29/245,269.32 = 113,714.89/x
  3. Step 3: Cross multiply
    163,611.29x = 245,269.32 × 113,714.89
  4. Step 4: Simplify right side
    163,611.29x = 27,890,772,704.57
  5. Step 5: Solve for x
    x = 27,890,772,704.57/163,611.29
  6. Step 6: Final answer
    x = 170,469.73

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1.5x scale

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.