Home / 180,555.33-249,166.20-99,982.86

Finding the Fourth Proportional to 180,555.33, 249,166.20 and 99,982.86

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Solution

The fourth proportional to 180,555.33, 249,166.20 and 99,982.86 is: 137,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,555.33 : 249,166.20 = 99,982.86 : x
  2. Step 2: Convert to fraction form
    180,555.33/249,166.20 = 99,982.86/x
  3. Step 3: Cross multiply
    180,555.33x = 249,166.20 × 99,982.86
  4. Step 4: Simplify right side
    180,555.33x = 24,912,349,291.33
  5. Step 5: Solve for x
    x = 24,912,349,291.33/180,555.33
  6. Step 6: Final answer
    x = 137,976.26

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1.5x scale

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.