Home / 357,629.80-535,569.90-170,422.60

Finding the Fourth Proportional to 357,629.80, 535,569.90 and 170,422.60

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Solution

The fourth proportional to 357,629.80, 535,569.90 and 170,422.60 is: 255,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,629.80 : 535,569.90 = 170,422.60 : x
  2. Step 2: Convert to fraction form
    357,629.80/535,569.90 = 170,422.60/x
  3. Step 3: Cross multiply
    357,629.80x = 535,569.90 × 170,422.60
  4. Step 4: Simplify right side
    357,629.80x = 91,273,214,839.74
  5. Step 5: Solve for x
    x = 91,273,214,839.74/357,629.80
  6. Step 6: Final answer
    x = 255,217.03

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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.