Home / 255,452.08-352,534.77-142,274.84

Finding the Fourth Proportional to 255,452.08, 352,534.77 and 142,274.84

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Solution

The fourth proportional to 255,452.08, 352,534.77 and 142,274.84 is: 196,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,452.08 : 352,534.77 = 142,274.84 : x
  2. Step 2: Convert to fraction form
    255,452.08/352,534.77 = 142,274.84/x
  3. Step 3: Cross multiply
    255,452.08x = 352,534.77 × 142,274.84
  4. Step 4: Simplify right side
    255,452.08x = 50,156,827,996.19
  5. Step 5: Solve for x
    x = 50,156,827,996.19/255,452.08
  6. Step 6: Final answer
    x = 196,345.35

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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.