Home / 191,685.91-264,527.63-111,161.24

Finding the Fourth Proportional to 191,685.91, 264,527.63 and 111,161.24

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Solution

The fourth proportional to 191,685.91, 264,527.63 and 111,161.24 is: 153,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,685.91 : 264,527.63 = 111,161.24 : x
  2. Step 2: Convert to fraction form
    191,685.91/264,527.63 = 111,161.24/x
  3. Step 3: Cross multiply
    191,685.91x = 264,527.63 × 111,161.24
  4. Step 4: Simplify right side
    191,685.91x = 29,405,219,642.96
  5. Step 5: Solve for x
    x = 29,405,219,642.96/191,685.91
  6. Step 6: Final answer
    x = 153,403.14

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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.