Home / 454,072.46-681,108.51-210,888.86

Finding the Fourth Proportional to 454,072.46, 681,108.51 and 210,888.86

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Solution

The fourth proportional to 454,072.46, 681,108.51 and 210,888.86 is: 316,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,072.46 : 681,108.51 = 210,888.86 : x
  2. Step 2: Convert to fraction form
    454,072.46/681,108.51 = 210,888.86/x
  3. Step 3: Cross multiply
    454,072.46x = 681,108.51 × 210,888.86
  4. Step 4: Simplify right side
    454,072.46x = 143,638,197,210.20
  5. Step 5: Solve for x
    x = 143,638,197,210.20/454,072.46
  6. Step 6: Final answer
    x = 316,333.21

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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.