Home / 132,683.04-199,038.96-66,139.92

Finding the Fourth Proportional to 132,683.04, 199,038.96 and 66,139.92

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Solution

The fourth proportional to 132,683.04, 199,038.96 and 66,139.92 is: 99,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.04 : 199,038.96 = 66,139.92 : x
  2. Step 2: Convert to fraction form
    132,683.04/199,038.96 = 66,139.92/x
  3. Step 3: Cross multiply
    132,683.04x = 199,038.96 × 66,139.92
  4. Step 4: Simplify right side
    132,683.04x = 13,164,420,891.28
  5. Step 5: Solve for x
    x = 13,164,420,891.28/132,683.04
  6. Step 6: Final answer
    x = 99,217.06

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1.5x scale

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.