Home / 219,981.88-303,579.53-124,488.55

Finding the Fourth Proportional to 219,981.88, 303,579.53 and 124,488.55

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Solution

The fourth proportional to 219,981.88, 303,579.53 and 124,488.55 is: 171,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,981.88 : 303,579.53 = 124,488.55 : x
  2. Step 2: Convert to fraction form
    219,981.88/303,579.53 = 124,488.55/x
  3. Step 3: Cross multiply
    219,981.88x = 303,579.53 × 124,488.55
  4. Step 4: Simplify right side
    219,981.88x = 37,792,175,499.38
  5. Step 5: Solve for x
    x = 37,792,175,499.38/219,981.88
  6. Step 6: Final answer
    x = 171,796.77

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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.