Home / 218,082.35-326,598.63-147,748.43

Finding the Fourth Proportional to 218,082.35, 326,598.63 and 147,748.43

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Solution

The fourth proportional to 218,082.35, 326,598.63 and 147,748.43 is: 221,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,082.35 : 326,598.63 = 147,748.43 : x
  2. Step 2: Convert to fraction form
    218,082.35/326,598.63 = 147,748.43/x
  3. Step 3: Cross multiply
    218,082.35x = 326,598.63 × 147,748.43
  4. Step 4: Simplify right side
    218,082.35x = 48,254,434,822.65
  5. Step 5: Solve for x
    x = 48,254,434,822.65/218,082.35
  6. Step 6: Final answer
    x = 221,267.03

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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.