Home / 140,754.84-194,260.98-86,339.52

Finding the Fourth Proportional to 140,754.84, 194,260.98 and 86,339.52

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Solution

The fourth proportional to 140,754.84, 194,260.98 and 86,339.52 is: 119,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,754.84 : 194,260.98 = 86,339.52 : x
  2. Step 2: Convert to fraction form
    140,754.84/194,260.98 = 86,339.52/x
  3. Step 3: Cross multiply
    140,754.84x = 194,260.98 × 86,339.52
  4. Step 4: Simplify right side
    140,754.84x = 16,772,399,767.93
  5. Step 5: Solve for x
    x = 16,772,399,767.93/140,754.84
  6. Step 6: Final answer
    x = 119,160.38

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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.