Home / 312,154.12-468,231.18-146,058.76

Finding the Fourth Proportional to 312,154.12, 468,231.18 and 146,058.76

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Solution

The fourth proportional to 312,154.12, 468,231.18 and 146,058.76 is: 219,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,154.12 : 468,231.18 = 146,058.76 : x
  2. Step 2: Convert to fraction form
    312,154.12/468,231.18 = 146,058.76/x
  3. Step 3: Cross multiply
    312,154.12x = 468,231.18 × 146,058.76
  4. Step 4: Simplify right side
    312,154.12x = 68,389,265,544.14
  5. Step 5: Solve for x
    x = 68,389,265,544.14/312,154.12
  6. Step 6: Final answer
    x = 219,088.14

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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.