Home / 154,409.70-231,625.35-60,903.30

Finding the Fourth Proportional to 154,409.70, 231,625.35 and 60,903.30

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Solution

The fourth proportional to 154,409.70, 231,625.35 and 60,903.30 is: 91,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.70 : 231,625.35 = 60,903.30 : x
  2. Step 2: Convert to fraction form
    154,409.70/231,625.35 = 60,903.30/x
  3. Step 3: Cross multiply
    154,409.70x = 231,625.35 × 60,903.30
  4. Step 4: Simplify right side
    154,409.70x = 14,106,748,178.66
  5. Step 5: Solve for x
    x = 14,106,748,178.66/154,409.70
  6. Step 6: Final answer
    x = 91,359.21

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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.