Home / 180,845.34-249,559.83-100,273.74

Finding the Fourth Proportional to 180,845.34, 249,559.83 and 100,273.74

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Solution

The fourth proportional to 180,845.34, 249,559.83 and 100,273.74 is: 138,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.34 : 249,559.83 = 100,273.74 : x
  2. Step 2: Convert to fraction form
    180,845.34/249,559.83 = 100,273.74/x
  3. Step 3: Cross multiply
    180,845.34x = 249,559.83 × 100,273.74
  4. Step 4: Simplify right side
    180,845.34x = 25,024,297,507.86
  5. Step 5: Solve for x
    x = 25,024,297,507.86/180,845.34
  6. Step 6: Final answer
    x = 138,374.02

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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.