Home / 433,139.54-649,273.01-180,559.76

Finding the Fourth Proportional to 433,139.54, 649,273.01 and 180,559.76

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Solution

The fourth proportional to 433,139.54, 649,273.01 and 180,559.76 is: 270,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,139.54 : 649,273.01 = 180,559.76 : x
  2. Step 2: Convert to fraction form
    433,139.54/649,273.01 = 180,559.76/x
  3. Step 3: Cross multiply
    433,139.54x = 649,273.01 × 180,559.76
  4. Step 4: Simplify right side
    433,139.54x = 117,232,574,710.91
  5. Step 5: Solve for x
    x = 117,232,574,710.91/433,139.54
  6. Step 6: Final answer
    x = 270,657.76

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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.