Home / 191,723.37-264,580.11-105,685.67

Finding the Fourth Proportional to 191,723.37, 264,580.11 and 105,685.67

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Solution

The fourth proportional to 191,723.37, 264,580.11 and 105,685.67 is: 145,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,723.37 : 264,580.11 = 105,685.67 : x
  2. Step 2: Convert to fraction form
    191,723.37/264,580.11 = 105,685.67/x
  3. Step 3: Cross multiply
    191,723.37x = 264,580.11 × 105,685.67
  4. Step 4: Simplify right side
    191,723.37x = 27,962,326,855.47
  5. Step 5: Solve for x
    x = 27,962,326,855.47/191,723.37
  6. Step 6: Final answer
    x = 145,847.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.