Home / 142,390.85-196,454.97-94,652.28

Finding the Fourth Proportional to 142,390.85, 196,454.97 and 94,652.28

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Solution

The fourth proportional to 142,390.85, 196,454.97 and 94,652.28 is: 130,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,390.85 : 196,454.97 = 94,652.28 : x
  2. Step 2: Convert to fraction form
    142,390.85/196,454.97 = 94,652.28/x
  3. Step 3: Cross multiply
    142,390.85x = 196,454.97 × 94,652.28
  4. Step 4: Simplify right side
    142,390.85x = 18,594,910,827.83
  5. Step 5: Solve for x
    x = 18,594,910,827.83/142,390.85
  6. Step 6: Final answer
    x = 130,590.63

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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.