Home / 128,956.46-193,423.22-44,714.73

Finding the Fourth Proportional to 128,956.46, 193,423.22 and 44,714.73

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Solution

The fourth proportional to 128,956.46, 193,423.22 and 44,714.73 is: 67,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,956.46 : 193,423.22 = 44,714.73 : x
  2. Step 2: Convert to fraction form
    128,956.46/193,423.22 = 44,714.73/x
  3. Step 3: Cross multiply
    128,956.46x = 193,423.22 × 44,714.73
  4. Step 4: Simplify right side
    128,956.46x = 8,648,867,601.71
  5. Step 5: Solve for x
    x = 8,648,867,601.71/128,956.46
  6. Step 6: Final answer
    x = 67,068.12

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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.