Home / 189,440.06-284,206.86-56,319.74

Finding the Fourth Proportional to 189,440.06, 284,206.86 and 56,319.74

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Solution

The fourth proportional to 189,440.06, 284,206.86 and 56,319.74 is: 84,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.06 : 284,206.86 = 56,319.74 : x
  2. Step 2: Convert to fraction form
    189,440.06/284,206.86 = 56,319.74/x
  3. Step 3: Cross multiply
    189,440.06x = 284,206.86 × 56,319.74
  4. Step 4: Simplify right side
    189,440.06x = 16,006,456,461.42
  5. Step 5: Solve for x
    x = 16,006,456,461.42/189,440.06
  6. Step 6: Final answer
    x = 84,493.51

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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.