Home / 154,764.06-232,211.70-84,561.36

Finding the Fourth Proportional to 154,764.06, 232,211.70 and 84,561.36

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Solution

The fourth proportional to 154,764.06, 232,211.70 and 84,561.36 is: 126,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,764.06 : 232,211.70 = 84,561.36 : x
  2. Step 2: Convert to fraction form
    154,764.06/232,211.70 = 84,561.36/x
  3. Step 3: Cross multiply
    154,764.06x = 232,211.70 × 84,561.36
  4. Step 4: Simplify right side
    154,764.06x = 19,636,137,159.91
  5. Step 5: Solve for x
    x = 19,636,137,159.91/154,764.06
  6. Step 6: Final answer
    x = 126,877.89

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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.