Home / 131,030.60-196,416.30-64,416.20

Finding the Fourth Proportional to 131,030.60, 196,416.30 and 64,416.20

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Solution

The fourth proportional to 131,030.60, 196,416.30 and 64,416.20 is: 96,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,030.60 : 196,416.30 = 64,416.20 : x
  2. Step 2: Convert to fraction form
    131,030.60/196,416.30 = 64,416.20/x
  3. Step 3: Cross multiply
    131,030.60x = 196,416.30 × 64,416.20
  4. Step 4: Simplify right side
    131,030.60x = 12,652,391,664.06
  5. Step 5: Solve for x
    x = 12,652,391,664.06/131,030.60
  6. Step 6: Final answer
    x = 96,560.59

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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.