Home / 189,665.12-284,574.18-84,412.10

Finding the Fourth Proportional to 189,665.12, 284,574.18 and 84,412.10

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Solution

The fourth proportional to 189,665.12, 284,574.18 and 84,412.10 is: 126,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,665.12 : 284,574.18 = 84,412.10 : x
  2. Step 2: Convert to fraction form
    189,665.12/284,574.18 = 84,412.10/x
  3. Step 3: Cross multiply
    189,665.12x = 284,574.18 × 84,412.10
  4. Step 4: Simplify right side
    189,665.12x = 24,021,504,139.58
  5. Step 5: Solve for x
    x = 24,021,504,139.58/189,665.12
  6. Step 6: Final answer
    x = 126,652.20

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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.