Home / 194,561.96-291,316.54-100,870.76

Finding the Fourth Proportional to 194,561.96, 291,316.54 and 100,870.76

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Solution

The fourth proportional to 194,561.96, 291,316.54 and 100,870.76 is: 151,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,561.96 : 291,316.54 = 100,870.76 : x
  2. Step 2: Convert to fraction form
    194,561.96/291,316.54 = 100,870.76/x
  3. Step 3: Cross multiply
    194,561.96x = 291,316.54 × 100,870.76
  4. Step 4: Simplify right side
    194,561.96x = 29,385,320,790.37
  5. Step 5: Solve for x
    x = 29,385,320,790.37/194,561.96
  6. Step 6: Final answer
    x = 151,033.23

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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.