Home / 191,929.61-264,725.74-166,390.31

Finding the Fourth Proportional to 191,929.61, 264,725.74 and 166,390.31

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Solution

The fourth proportional to 191,929.61, 264,725.74 and 166,390.31 is: 229,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,929.61 : 264,725.74 = 166,390.31 : x
  2. Step 2: Convert to fraction form
    191,929.61/264,725.74 = 166,390.31/x
  3. Step 3: Cross multiply
    191,929.61x = 264,725.74 × 166,390.31
  4. Step 4: Simplify right side
    191,929.61x = 44,047,797,943.58
  5. Step 5: Solve for x
    x = 44,047,797,943.58/191,929.61
  6. Step 6: Final answer
    x = 229,499.75

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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.