Home / 199,130.76-274,782.16-118,577.88

Finding the Fourth Proportional to 199,130.76, 274,782.16 and 118,577.88

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Solution

The fourth proportional to 199,130.76, 274,782.16 and 118,577.88 is: 163,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,130.76 : 274,782.16 = 118,577.88 : x
  2. Step 2: Convert to fraction form
    199,130.76/274,782.16 = 118,577.88/x
  3. Step 3: Cross multiply
    199,130.76x = 274,782.16 × 118,577.88
  4. Step 4: Simplify right side
    199,130.76x = 32,583,085,994.62
  5. Step 5: Solve for x
    x = 32,583,085,994.62/199,130.76
  6. Step 6: Final answer
    x = 163,626.58

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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.