Home / 154,035.40-231,240.30-97,875.40

Finding the Fourth Proportional to 154,035.40, 231,240.30 and 97,875.40

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Solution

The fourth proportional to 154,035.40, 231,240.30 and 97,875.40 is: 146,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,035.40 : 231,240.30 = 97,875.40 : x
  2. Step 2: Convert to fraction form
    154,035.40/231,240.30 = 97,875.40/x
  3. Step 3: Cross multiply
    154,035.40x = 231,240.30 × 97,875.40
  4. Step 4: Simplify right side
    154,035.40x = 22,632,736,858.62
  5. Step 5: Solve for x
    x = 22,632,736,858.62/154,035.40
  6. Step 6: Final answer
    x = 146,932.05

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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.