Home / 219,949.02-303,509.43-124,440.30

Finding the Fourth Proportional to 219,949.02, 303,509.43 and 124,440.30

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Solution

The fourth proportional to 219,949.02, 303,509.43 and 124,440.30 is: 171,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,949.02 : 303,509.43 = 124,440.30 : x
  2. Step 2: Convert to fraction form
    219,949.02/303,509.43 = 124,440.30/x
  3. Step 3: Cross multiply
    219,949.02x = 303,509.43 × 124,440.30
  4. Step 4: Simplify right side
    219,949.02x = 37,768,804,522.03
  5. Step 5: Solve for x
    x = 37,768,804,522.03/219,949.02
  6. Step 6: Final answer
    x = 171,716.18

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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.