Home / 318,051.23-477,094.73-101,928.78

Finding the Fourth Proportional to 318,051.23, 477,094.73 and 101,928.78

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Solution

The fourth proportional to 318,051.23, 477,094.73 and 101,928.78 is: 152,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,051.23 : 477,094.73 = 101,928.78 : x
  2. Step 2: Convert to fraction form
    318,051.23/477,094.73 = 101,928.78/x
  3. Step 3: Cross multiply
    318,051.23x = 477,094.73 × 101,928.78
  4. Step 4: Simplify right side
    318,051.23x = 48,629,684,123.71
  5. Step 5: Solve for x
    x = 48,629,684,123.71/318,051.23
  6. Step 6: Final answer
    x = 152,898.90

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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.