Home / 180,722.48-249,398.46-100,151.34

Finding the Fourth Proportional to 180,722.48, 249,398.46 and 100,151.34

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Solution

The fourth proportional to 180,722.48, 249,398.46 and 100,151.34 is: 138,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,722.48 : 249,398.46 = 100,151.34 : x
  2. Step 2: Convert to fraction form
    180,722.48/249,398.46 = 100,151.34/x
  3. Step 3: Cross multiply
    180,722.48x = 249,398.46 × 100,151.34
  4. Step 4: Simplify right side
    180,722.48x = 24,977,589,027.69
  5. Step 5: Solve for x
    x = 24,977,589,027.69/180,722.48
  6. Step 6: Final answer
    x = 138,209.64

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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.