Home / 136,022.40-204,033.60-99,158.40

Finding the Fourth Proportional to 136,022.40, 204,033.60 and 99,158.40

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Solution

The fourth proportional to 136,022.40, 204,033.60 and 99,158.40 is: 148,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.40 : 204,033.60 = 99,158.40 : x
  2. Step 2: Convert to fraction form
    136,022.40/204,033.60 = 99,158.40/x
  3. Step 3: Cross multiply
    136,022.40x = 204,033.60 × 99,158.40
  4. Step 4: Simplify right side
    136,022.40x = 20,231,645,322.24
  5. Step 5: Solve for x
    x = 20,231,645,322.24/136,022.40
  6. Step 6: Final answer
    x = 148,737.60

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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.