Home / 155,453.40-233,180.10-143,643.60

Finding the Fourth Proportional to 155,453.40, 233,180.10 and 143,643.60

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Solution

The fourth proportional to 155,453.40, 233,180.10 and 143,643.60 is: 215,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,453.40 : 233,180.10 = 143,643.60 : x
  2. Step 2: Convert to fraction form
    155,453.40/233,180.10 = 143,643.60/x
  3. Step 3: Cross multiply
    155,453.40x = 233,180.10 × 143,643.60
  4. Step 4: Simplify right side
    155,453.40x = 33,494,829,012.36
  5. Step 5: Solve for x
    x = 33,494,829,012.36/155,453.40
  6. Step 6: Final answer
    x = 215,465.40

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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.