Home / 180,679.77-249,346.07-100,107.27

Finding the Fourth Proportional to 180,679.77, 249,346.07 and 100,107.27

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Solution

The fourth proportional to 180,679.77, 249,346.07 and 100,107.27 is: 138,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,679.77 : 249,346.07 = 100,107.27 : x
  2. Step 2: Convert to fraction form
    180,679.77/249,346.07 = 100,107.27/x
  3. Step 3: Cross multiply
    180,679.77x = 249,346.07 × 100,107.27
  4. Step 4: Simplify right side
    180,679.77x = 24,961,354,352.93
  5. Step 5: Solve for x
    x = 24,961,354,352.93/180,679.77
  6. Step 6: Final answer
    x = 138,152.46

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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.