Home / 219,201.41-302,506.53-123,711.44

Finding the Fourth Proportional to 219,201.41, 302,506.53 and 123,711.44

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Solution

The fourth proportional to 219,201.41, 302,506.53 and 123,711.44 is: 170,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,201.41 : 302,506.53 = 123,711.44 : x
  2. Step 2: Convert to fraction form
    219,201.41/302,506.53 = 123,711.44/x
  3. Step 3: Cross multiply
    219,201.41x = 302,506.53 × 123,711.44
  4. Step 4: Simplify right side
    219,201.41x = 37,423,518,435.70
  5. Step 5: Solve for x
    x = 37,423,518,435.70/219,201.41
  6. Step 6: Final answer
    x = 170,726.63

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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.