Home / 140,619.02-194,054.57-76,960.91

Finding the Fourth Proportional to 140,619.02, 194,054.57 and 76,960.91

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Solution

The fourth proportional to 140,619.02, 194,054.57 and 76,960.91 is: 106,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,619.02 : 194,054.57 = 76,960.91 : x
  2. Step 2: Convert to fraction form
    140,619.02/194,054.57 = 76,960.91/x
  3. Step 3: Cross multiply
    140,619.02x = 194,054.57 × 76,960.91
  4. Step 4: Simplify right side
    140,619.02x = 14,934,616,685.79
  5. Step 5: Solve for x
    x = 14,934,616,685.79/140,619.02
  6. Step 6: Final answer
    x = 106,206.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.