Home / 132,814.20-199,221.30-70,606.20

Finding the Fourth Proportional to 132,814.20, 199,221.30 and 70,606.20

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Solution

The fourth proportional to 132,814.20, 199,221.30 and 70,606.20 is: 105,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,814.20 : 199,221.30 = 70,606.20 : x
  2. Step 2: Convert to fraction form
    132,814.20/199,221.30 = 70,606.20/x
  3. Step 3: Cross multiply
    132,814.20x = 199,221.30 × 70,606.20
  4. Step 4: Simplify right side
    132,814.20x = 14,066,258,952.06
  5. Step 5: Solve for x
    x = 14,066,258,952.06/132,814.20
  6. Step 6: Final answer
    x = 105,909.30

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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.