Home / 155,404.68-233,107.14-66,600.60

Finding the Fourth Proportional to 155,404.68, 233,107.14 and 66,600.60

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Solution

The fourth proportional to 155,404.68, 233,107.14 and 66,600.60 is: 99,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,404.68 : 233,107.14 = 66,600.60 : x
  2. Step 2: Convert to fraction form
    155,404.68/233,107.14 = 66,600.60/x
  3. Step 3: Cross multiply
    155,404.68x = 233,107.14 × 66,600.60
  4. Step 4: Simplify right side
    155,404.68x = 15,525,075,388.28
  5. Step 5: Solve for x
    x = 15,525,075,388.28/155,404.68
  6. Step 6: Final answer
    x = 99,900.95

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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.