Home / 456,191.93-684,132.20-186,278.03

Finding the Fourth Proportional to 456,191.93, 684,132.20 and 186,278.03

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Solution

The fourth proportional to 456,191.93, 684,132.20 and 186,278.03 is: 279,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,191.93 : 684,132.20 = 186,278.03 : x
  2. Step 2: Convert to fraction form
    456,191.93/684,132.20 = 186,278.03/x
  3. Step 3: Cross multiply
    456,191.93x = 684,132.20 × 186,278.03
  4. Step 4: Simplify right side
    456,191.93x = 127,438,794,123.52
  5. Step 5: Solve for x
    x = 127,438,794,123.52/456,191.93
  6. Step 6: Final answer
    x = 279,353.46

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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.