Home / 189,339.16-283,145.04-141,341.80

Finding the Fourth Proportional to 189,339.16, 283,145.04 and 141,341.80

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Solution

The fourth proportional to 189,339.16, 283,145.04 and 141,341.80 is: 211,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,339.16 : 283,145.04 = 141,341.80 : x
  2. Step 2: Convert to fraction form
    189,339.16/283,145.04 = 141,341.80/x
  3. Step 3: Cross multiply
    189,339.16x = 283,145.04 × 141,341.80
  4. Step 4: Simplify right side
    189,339.16x = 40,020,229,614.67
  5. Step 5: Solve for x
    x = 40,020,229,614.67/189,339.16
  6. Step 6: Final answer
    x = 211,367.95

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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.