Home / 127,376.48-190,802.04-74,625.92

Finding the Fourth Proportional to 127,376.48, 190,802.04 and 74,625.92

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Solution

The fourth proportional to 127,376.48, 190,802.04 and 74,625.92 is: 111,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.48 : 190,802.04 = 74,625.92 : x
  2. Step 2: Convert to fraction form
    127,376.48/190,802.04 = 74,625.92/x
  3. Step 3: Cross multiply
    127,376.48x = 190,802.04 × 74,625.92
  4. Step 4: Simplify right side
    127,376.48x = 14,238,777,772.88
  5. Step 5: Solve for x
    x = 14,238,777,772.88/127,376.48
  6. Step 6: Final answer
    x = 111,784.98

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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.