Home / 132,988.55-199,316.51-66,447.41

Finding the Fourth Proportional to 132,988.55, 199,316.51 and 66,447.41

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Solution

The fourth proportional to 132,988.55, 199,316.51 and 66,447.41 is: 99,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988.55 : 199,316.51 = 66,447.41 : x
  2. Step 2: Convert to fraction form
    132,988.55/199,316.51 = 66,447.41/x
  3. Step 3: Cross multiply
    132,988.55x = 199,316.51 × 66,447.41
  4. Step 4: Simplify right side
    132,988.55x = 13,244,065,527.50
  5. Step 5: Solve for x
    x = 13,244,065,527.50/132,988.55
  6. Step 6: Final answer
    x = 99,588.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.