Home / 154,905.40-232,358.10-137,992.60

Finding the Fourth Proportional to 154,905.40, 232,358.10 and 137,992.60

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Solution

The fourth proportional to 154,905.40, 232,358.10 and 137,992.60 is: 206,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,905.40 : 232,358.10 = 137,992.60 : x
  2. Step 2: Convert to fraction form
    154,905.40/232,358.10 = 137,992.60/x
  3. Step 3: Cross multiply
    154,905.40x = 232,358.10 × 137,992.60
  4. Step 4: Simplify right side
    154,905.40x = 32,063,698,350.06
  5. Step 5: Solve for x
    x = 32,063,698,350.06/154,905.40
  6. Step 6: Final answer
    x = 206,988.90

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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.