Home / 189,738.10-284,570.70-56,622.70

Finding the Fourth Proportional to 189,738.10, 284,570.70 and 56,622.70

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Solution

The fourth proportional to 189,738.10, 284,570.70 and 56,622.70 is: 84,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,738.10 : 284,570.70 = 56,622.70 : x
  2. Step 2: Convert to fraction form
    189,738.10/284,570.70 = 56,622.70/x
  3. Step 3: Cross multiply
    189,738.10x = 284,570.70 × 56,622.70
  4. Step 4: Simplify right side
    189,738.10x = 16,113,161,374.89
  5. Step 5: Solve for x
    x = 16,113,161,374.89/189,738.10
  6. Step 6: Final answer
    x = 84,923.17

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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.