Home / 353,141.03-487,087.90-232,243.67

Finding the Fourth Proportional to 353,141.03, 487,087.90 and 232,243.67

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Solution

The fourth proportional to 353,141.03, 487,087.90 and 232,243.67 is: 320,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,141.03 : 487,087.90 = 232,243.67 : x
  2. Step 2: Convert to fraction form
    353,141.03/487,087.90 = 232,243.67/x
  3. Step 3: Cross multiply
    353,141.03x = 487,087.90 × 232,243.67
  4. Step 4: Simplify right side
    353,141.03x = 113,123,082,145.70
  5. Step 5: Solve for x
    x = 113,123,082,145.70/353,141.03
  6. Step 6: Final answer
    x = 320,334.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.