Home / 127,703.12-191,579.78-52,782.98

Finding the Fourth Proportional to 127,703.12, 191,579.78 and 52,782.98

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Solution

The fourth proportional to 127,703.12, 191,579.78 and 52,782.98 is: 79,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703.12 : 191,579.78 = 52,782.98 : x
  2. Step 2: Convert to fraction form
    127,703.12/191,579.78 = 52,782.98/x
  3. Step 3: Cross multiply
    127,703.12x = 191,579.78 × 52,782.98
  4. Step 4: Simplify right side
    127,703.12x = 10,112,150,870.20
  5. Step 5: Solve for x
    x = 10,112,150,870.20/127,703.12
  6. Step 6: Final answer
    x = 79,184.84

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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.