Home / 103,504.07-155,256.12-33,383.40

Finding the Fourth Proportional to 103,504.07, 155,256.12 and 33,383.40

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Solution

The fourth proportional to 103,504.07, 155,256.12 and 33,383.40 is: 50,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.07 : 155,256.12 = 33,383.40 : x
  2. Step 2: Convert to fraction form
    103,504.07/155,256.12 = 33,383.40/x
  3. Step 3: Cross multiply
    103,504.07x = 155,256.12 × 33,383.40
  4. Step 4: Simplify right side
    103,504.07x = 5,182,977,156.41
  5. Step 5: Solve for x
    x = 5,182,977,156.41/103,504.07
  6. Step 6: Final answer
    x = 50,075.11

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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.