Home / 219,490.49-329,235.87-61,718.95

Finding the Fourth Proportional to 219,490.49, 329,235.87 and 61,718.95

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Solution

The fourth proportional to 219,490.49, 329,235.87 and 61,718.95 is: 92,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,490.49 : 329,235.87 = 61,718.95 : x
  2. Step 2: Convert to fraction form
    219,490.49/329,235.87 = 61,718.95/x
  3. Step 3: Cross multiply
    219,490.49x = 329,235.87 × 61,718.95
  4. Step 4: Simplify right side
    219,490.49x = 20,320,090,552.56
  5. Step 5: Solve for x
    x = 20,320,090,552.56/219,490.49
  6. Step 6: Final answer
    x = 92,578.46

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1.5x scale

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.