Home / 189,582.18-284,426.42-82,975.43

Finding the Fourth Proportional to 189,582.18, 284,426.42 and 82,975.43

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Solution

The fourth proportional to 189,582.18, 284,426.42 and 82,975.43 is: 124,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,582.18 : 284,426.42 = 82,975.43 : x
  2. Step 2: Convert to fraction form
    189,582.18/284,426.42 = 82,975.43/x
  3. Step 3: Cross multiply
    189,582.18x = 284,426.42 × 82,975.43
  4. Step 4: Simplify right side
    189,582.18x = 23,600,402,665.85
  5. Step 5: Solve for x
    x = 23,600,402,665.85/189,582.18
  6. Step 6: Final answer
    x = 124,486.40

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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.