Home / 451,269.15-676,898.50-109,714.51

Finding the Fourth Proportional to 451,269.15, 676,898.50 and 109,714.51

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Solution

The fourth proportional to 451,269.15, 676,898.50 and 109,714.51 is: 164,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,269.15 : 676,898.50 = 109,714.51 : x
  2. Step 2: Convert to fraction form
    451,269.15/676,898.50 = 109,714.51/x
  3. Step 3: Cross multiply
    451,269.15x = 676,898.50 × 109,714.51
  4. Step 4: Simplify right side
    451,269.15x = 74,265,587,247.24
  5. Step 5: Solve for x
    x = 74,265,587,247.24/451,269.15
  6. Step 6: Final answer
    x = 164,570.49

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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.