Home / 154,766.40-232,215.21-84,563.70

Finding the Fourth Proportional to 154,766.40, 232,215.21 and 84,563.70

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Solution

The fourth proportional to 154,766.40, 232,215.21 and 84,563.70 is: 126,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,766.40 : 232,215.21 = 84,563.70 : x
  2. Step 2: Convert to fraction form
    154,766.40/232,215.21 = 84,563.70/x
  3. Step 3: Cross multiply
    154,766.40x = 232,215.21 × 84,563.70
  4. Step 4: Simplify right side
    154,766.40x = 19,636,977,353.88
  5. Step 5: Solve for x
    x = 19,636,977,353.88/154,766.40
  6. Step 6: Final answer
    x = 126,881.40

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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.