Home / 191,631.09-264,392.37-111,043.05

Finding the Fourth Proportional to 191,631.09, 264,392.37 and 111,043.05

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Solution

The fourth proportional to 191,631.09, 264,392.37 and 111,043.05 is: 153,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,631.09 : 264,392.37 = 111,043.05 : x
  2. Step 2: Convert to fraction form
    191,631.09/264,392.37 = 111,043.05/x
  3. Step 3: Cross multiply
    191,631.09x = 264,392.37 × 111,043.05
  4. Step 4: Simplify right side
    191,631.09x = 29,358,935,161.53
  5. Step 5: Solve for x
    x = 29,358,935,161.53/191,631.09
  6. Step 6: Final answer
    x = 153,205.49

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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.