Home / 127,980.37-191,948.68-34,464.25

Finding the Fourth Proportional to 127,980.37, 191,948.68 and 34,464.25

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Solution

The fourth proportional to 127,980.37, 191,948.68 and 34,464.25 is: 51,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,980.37 : 191,948.68 = 34,464.25 : x
  2. Step 2: Convert to fraction form
    127,980.37/191,948.68 = 34,464.25/x
  3. Step 3: Cross multiply
    127,980.37x = 191,948.68 × 34,464.25
  4. Step 4: Simplify right side
    127,980.37x = 6,615,367,294.69
  5. Step 5: Solve for x
    x = 6,615,367,294.69/127,980.37
  6. Step 6: Final answer
    x = 51,690.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.