Home / 132,968.80-183,483.48-81,973.36

Finding the Fourth Proportional to 132,968.80, 183,483.48 and 81,973.36

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Solution

The fourth proportional to 132,968.80, 183,483.48 and 81,973.36 is: 113,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.80 : 183,483.48 = 81,973.36 : x
  2. Step 2: Convert to fraction form
    132,968.80/183,483.48 = 81,973.36/x
  3. Step 3: Cross multiply
    132,968.80x = 183,483.48 × 81,973.36
  4. Step 4: Simplify right side
    132,968.80x = 15,040,757,360.09
  5. Step 5: Solve for x
    x = 15,040,757,360.09/132,968.80
  6. Step 6: Final answer
    x = 113,114.94

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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.