Home / 224,205.06-309,228.03-143,640.08

Finding the Fourth Proportional to 224,205.06, 309,228.03 and 143,640.08

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Solution

The fourth proportional to 224,205.06, 309,228.03 and 143,640.08 is: 198,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,205.06 : 309,228.03 = 143,640.08 : x
  2. Step 2: Convert to fraction form
    224,205.06/309,228.03 = 143,640.08/x
  3. Step 3: Cross multiply
    224,205.06x = 309,228.03 × 143,640.08
  4. Step 4: Simplify right side
    224,205.06x = 44,417,540,320.32
  5. Step 5: Solve for x
    x = 44,417,540,320.32/224,205.06
  6. Step 6: Final answer
    x = 198,111.23

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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.