Home / 129,862.70-194,881.51-50,967.62

Finding the Fourth Proportional to 129,862.70, 194,881.51 and 50,967.62

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Solution

The fourth proportional to 129,862.70, 194,881.51 and 50,967.62 is: 76,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.70 : 194,881.51 = 50,967.62 : x
  2. Step 2: Convert to fraction form
    129,862.70/194,881.51 = 50,967.62/x
  3. Step 3: Cross multiply
    129,862.70x = 194,881.51 × 50,967.62
  4. Step 4: Simplify right side
    129,862.70x = 9,932,646,746.71
  5. Step 5: Solve for x
    x = 9,932,646,746.71/129,862.70
  6. Step 6: Final answer
    x = 76,485.76

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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.