Home / 131,026.60-196,410.30-64,412.20

Finding the Fourth Proportional to 131,026.60, 196,410.30 and 64,412.20

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Solution

The fourth proportional to 131,026.60, 196,410.30 and 64,412.20 is: 96,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,026.60 : 196,410.30 = 64,412.20 : x
  2. Step 2: Convert to fraction form
    131,026.60/196,410.30 = 64,412.20/x
  3. Step 3: Cross multiply
    131,026.60x = 196,410.30 × 64,412.20
  4. Step 4: Simplify right side
    131,026.60x = 12,651,219,525.66
  5. Step 5: Solve for x
    x = 12,651,219,525.66/131,026.60
  6. Step 6: Final answer
    x = 96,554.59

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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.