Home / 131,143.14-196,714.35-56,214.72

Finding the Fourth Proportional to 131,143.14, 196,714.35 and 56,214.72

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Solution

The fourth proportional to 131,143.14, 196,714.35 and 56,214.72 is: 84,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,143.14 : 196,714.35 = 56,214.72 : x
  2. Step 2: Convert to fraction form
    131,143.14/196,714.35 = 56,214.72/x
  3. Step 3: Cross multiply
    131,143.14x = 196,714.35 × 56,214.72
  4. Step 4: Simplify right side
    131,143.14x = 11,058,242,105.23
  5. Step 5: Solve for x
    x = 11,058,242,105.23/131,143.14
  6. Step 6: Final answer
    x = 84,321.93

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1.5x scale

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.