Home / 191,899.62-264,929.90-127,479.31

Finding the Fourth Proportional to 191,899.62, 264,929.90 and 127,479.31

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Solution

The fourth proportional to 191,899.62, 264,929.90 and 127,479.31 is: 175,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,899.62 : 264,929.90 = 127,479.31 : x
  2. Step 2: Convert to fraction form
    191,899.62/264,929.90 = 127,479.31/x
  3. Step 3: Cross multiply
    191,899.62x = 264,929.90 × 127,479.31
  4. Step 4: Simplify right side
    191,899.62x = 33,773,080,850.37
  5. Step 5: Solve for x
    x = 33,773,080,850.37/191,899.62
  6. Step 6: Final answer
    x = 175,993.47

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1.5x scale

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.