Home / 255,293.01-352,304.24-142,142.49

Finding the Fourth Proportional to 255,293.01, 352,304.24 and 142,142.49

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Solution

The fourth proportional to 255,293.01, 352,304.24 and 142,142.49 is: 196,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,293.01 : 352,304.24 = 142,142.49 : x
  2. Step 2: Convert to fraction form
    255,293.01/352,304.24 = 142,142.49/x
  3. Step 3: Cross multiply
    255,293.01x = 352,304.24 × 142,142.49
  4. Step 4: Simplify right side
    255,293.01x = 50,077,401,200.45
  5. Step 5: Solve for x
    x = 50,077,401,200.45/255,293.01
  6. Step 6: Final answer
    x = 196,156.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.