Home / 127,179.58-190,758.30-48,294.40

Finding the Fourth Proportional to 127,179.58, 190,758.30 and 48,294.40

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Solution

The fourth proportional to 127,179.58, 190,758.30 and 48,294.40 is: 72,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.58 : 190,758.30 = 48,294.40 : x
  2. Step 2: Convert to fraction form
    127,179.58/190,758.30 = 48,294.40/x
  3. Step 3: Cross multiply
    127,179.58x = 190,758.30 × 48,294.40
  4. Step 4: Simplify right side
    127,179.58x = 9,212,557,643.52
  5. Step 5: Solve for x
    x = 9,212,557,643.52/127,179.58
  6. Step 6: Final answer
    x = 72,437.40

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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.