Home / 314,185.23-471,219.30-100,956.84

Finding the Fourth Proportional to 314,185.23, 471,219.30 and 100,956.84

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Solution

The fourth proportional to 314,185.23, 471,219.30 and 100,956.84 is: 151,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,185.23 : 471,219.30 = 100,956.84 : x
  2. Step 2: Convert to fraction form
    314,185.23/471,219.30 = 100,956.84/x
  3. Step 3: Cross multiply
    314,185.23x = 471,219.30 × 100,956.84
  4. Step 4: Simplify right side
    314,185.23x = 47,572,811,475.01
  5. Step 5: Solve for x
    x = 47,572,811,475.01/314,185.23
  6. Step 6: Final answer
    x = 151,416.45

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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.