Home / 149,721.16-224,516.22-56,161.48

Finding the Fourth Proportional to 149,721.16, 224,516.22 and 56,161.48

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Solution

The fourth proportional to 149,721.16, 224,516.22 and 56,161.48 is: 84,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.16 : 224,516.22 = 56,161.48 : x
  2. Step 2: Convert to fraction form
    149,721.16/224,516.22 = 56,161.48/x
  3. Step 3: Cross multiply
    149,721.16x = 224,516.22 × 56,161.48
  4. Step 4: Simplify right side
    149,721.16x = 12,609,163,199.21
  5. Step 5: Solve for x
    x = 12,609,163,199.21/149,721.16
  6. Step 6: Final answer
    x = 84,217.64

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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.