Home / 127,006.45-190,485.42-63,809.02

Finding the Fourth Proportional to 127,006.45, 190,485.42 and 63,809.02

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Solution

The fourth proportional to 127,006.45, 190,485.42 and 63,809.02 is: 95,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,006.45 : 190,485.42 = 63,809.02 : x
  2. Step 2: Convert to fraction form
    127,006.45/190,485.42 = 63,809.02/x
  3. Step 3: Cross multiply
    127,006.45x = 190,485.42 × 63,809.02
  4. Step 4: Simplify right side
    127,006.45x = 12,154,687,974.49
  5. Step 5: Solve for x
    x = 12,154,687,974.49/127,006.45
  6. Step 6: Final answer
    x = 95,701.34

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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.