Home / 213,153.76-294,154.23-117,658.41

Finding the Fourth Proportional to 213,153.76, 294,154.23 and 117,658.41

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Solution

The fourth proportional to 213,153.76, 294,154.23 and 117,658.41 is: 162,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,153.76 : 294,154.23 = 117,658.41 : x
  2. Step 2: Convert to fraction form
    213,153.76/294,154.23 = 117,658.41/x
  3. Step 3: Cross multiply
    213,153.76x = 294,154.23 × 117,658.41
  4. Step 4: Simplify right side
    213,153.76x = 34,609,718,996.57
  5. Step 5: Solve for x
    x = 34,609,718,996.57/213,153.76
  6. Step 6: Final answer
    x = 162,369.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.