Home / 132,985.52-183,519.78-72,556.19

Finding the Fourth Proportional to 132,985.52, 183,519.78 and 72,556.19

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Solution

The fourth proportional to 132,985.52, 183,519.78 and 72,556.19 is: 100,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,985.52 : 183,519.78 = 72,556.19 : x
  2. Step 2: Convert to fraction form
    132,985.52/183,519.78 = 72,556.19/x
  3. Step 3: Cross multiply
    132,985.52x = 183,519.78 × 72,556.19
  4. Step 4: Simplify right side
    132,985.52x = 13,315,496,026.44
  5. Step 5: Solve for x
    x = 13,315,496,026.44/132,985.52
  6. Step 6: Final answer
    x = 100,127.41

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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.