Home / 180,630.77-249,272.42-100,059.59

Finding the Fourth Proportional to 180,630.77, 249,272.42 and 100,059.59

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Solution

The fourth proportional to 180,630.77, 249,272.42 and 100,059.59 is: 138,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,630.77 : 249,272.42 = 100,059.59 : x
  2. Step 2: Convert to fraction form
    180,630.77/249,272.42 = 100,059.59/x
  3. Step 3: Cross multiply
    180,630.77x = 249,272.42 × 100,059.59
  4. Step 4: Simplify right side
    180,630.77x = 24,942,094,396.85
  5. Step 5: Solve for x
    x = 24,942,094,396.85/180,630.77
  6. Step 6: Final answer
    x = 138,083.31

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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.