Home / 128,205.23-192,307.97-33,435.32

Finding the Fourth Proportional to 128,205.23, 192,307.97 and 33,435.32

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Solution

The fourth proportional to 128,205.23, 192,307.97 and 33,435.32 is: 50,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,205.23 : 192,307.97 = 33,435.32 : x
  2. Step 2: Convert to fraction form
    128,205.23/192,307.97 = 33,435.32/x
  3. Step 3: Cross multiply
    128,205.23x = 192,307.97 × 33,435.32
  4. Step 4: Simplify right side
    128,205.23x = 6,429,877,386.78
  5. Step 5: Solve for x
    x = 6,429,877,386.78/128,205.23
  6. Step 6: Final answer
    x = 50,153.01

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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.