Home / 132,859.01-183,241.75-85,116.80

Finding the Fourth Proportional to 132,859.01, 183,241.75 and 85,116.80

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Solution

The fourth proportional to 132,859.01, 183,241.75 and 85,116.80 is: 117,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.01 : 183,241.75 = 85,116.80 : x
  2. Step 2: Convert to fraction form
    132,859.01/183,241.75 = 85,116.80/x
  3. Step 3: Cross multiply
    132,859.01x = 183,241.75 × 85,116.80
  4. Step 4: Simplify right side
    132,859.01x = 15,596,951,386.40
  5. Step 5: Solve for x
    x = 15,596,951,386.40/132,859.01
  6. Step 6: Final answer
    x = 117,394.76

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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.