Home / 119,968.52-165,549.30-72,237.32

Finding the Fourth Proportional to 119,968.52, 165,549.30 and 72,237.32

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Solution

The fourth proportional to 119,968.52, 165,549.30 and 72,237.32 is: 99,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,968.52 : 165,549.30 = 72,237.32 : x
  2. Step 2: Convert to fraction form
    119,968.52/165,549.30 = 72,237.32/x
  3. Step 3: Cross multiply
    119,968.52x = 165,549.30 × 72,237.32
  4. Step 4: Simplify right side
    119,968.52x = 11,958,837,759.88
  5. Step 5: Solve for x
    x = 11,958,837,759.88/119,968.52
  6. Step 6: Final answer
    x = 99,683.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.