Home / 127,530.40-191,288.22-48,652.60

Finding the Fourth Proportional to 127,530.40, 191,288.22 and 48,652.60

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Solution

The fourth proportional to 127,530.40, 191,288.22 and 48,652.60 is: 72,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,530.40 : 191,288.22 = 48,652.60 : x
  2. Step 2: Convert to fraction form
    127,530.40/191,288.22 = 48,652.60/x
  3. Step 3: Cross multiply
    127,530.40x = 191,288.22 × 48,652.60
  4. Step 4: Simplify right side
    127,530.40x = 9,306,669,252.37
  5. Step 5: Solve for x
    x = 9,306,669,252.37/127,530.40
  6. Step 6: Final answer
    x = 72,976.08

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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.