Home / 180,550.65-249,156.84-99,976.45

Finding the Fourth Proportional to 180,550.65, 249,156.84 and 99,976.45

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Solution

The fourth proportional to 180,550.65, 249,156.84 and 99,976.45 is: 137,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,550.65 : 249,156.84 = 99,976.45 : x
  2. Step 2: Convert to fraction form
    180,550.65/249,156.84 = 99,976.45/x
  3. Step 3: Cross multiply
    180,550.65x = 249,156.84 × 99,976.45
  4. Step 4: Simplify right side
    180,550.65x = 24,909,815,452.53
  5. Step 5: Solve for x
    x = 24,909,815,452.53/180,550.65
  6. Step 6: Final answer
    x = 137,965.80

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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.