Home / 126,905.04-190,384.20-48,017.52

Finding the Fourth Proportional to 126,905.04, 190,384.20 and 48,017.52

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Solution

The fourth proportional to 126,905.04, 190,384.20 and 48,017.52 is: 72,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,905.04 : 190,384.20 = 48,017.52 : x
  2. Step 2: Convert to fraction form
    126,905.04/190,384.20 = 48,017.52/x
  3. Step 3: Cross multiply
    126,905.04x = 190,384.20 × 48,017.52
  4. Step 4: Simplify right side
    126,905.04x = 9,141,777,131.18
  5. Step 5: Solve for x
    x = 9,141,777,131.18/126,905.04
  6. Step 6: Final answer
    x = 72,036.36

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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.