Home / 180,556.23-249,164.52-99,982.02

Finding the Fourth Proportional to 180,556.23, 249,164.52 and 99,982.02

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Solution

The fourth proportional to 180,556.23, 249,164.52 and 99,982.02 is: 137,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,556.23 : 249,164.52 = 99,982.02 : x
  2. Step 2: Convert to fraction form
    180,556.23/249,164.52 = 99,982.02/x
  3. Step 3: Cross multiply
    180,556.23x = 249,164.52 × 99,982.02
  4. Step 4: Simplify right side
    180,556.23x = 24,911,972,021.93
  5. Step 5: Solve for x
    x = 24,911,972,021.93/180,556.23
  6. Step 6: Final answer
    x = 137,973.48

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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.