Home / 154,764.40-232,212.21-84,561.70

Finding the Fourth Proportional to 154,764.40, 232,212.21 and 84,561.70

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Solution

The fourth proportional to 154,764.40, 232,212.21 and 84,561.70 is: 126,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,764.40 : 232,212.21 = 84,561.70 : x
  2. Step 2: Convert to fraction form
    154,764.40/232,212.21 = 84,561.70/x
  3. Step 3: Cross multiply
    154,764.40x = 232,212.21 × 84,561.70
  4. Step 4: Simplify right side
    154,764.40x = 19,636,259,238.36
  5. Step 5: Solve for x
    x = 19,636,259,238.36/154,764.40
  6. Step 6: Final answer
    x = 126,878.40

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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.