Home / 109,227.03-150,779.76-73,437.79

Finding the Fourth Proportional to 109,227.03, 150,779.76 and 73,437.79

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Solution

The fourth proportional to 109,227.03, 150,779.76 and 73,437.79 is: 101,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,227.03 : 150,779.76 = 73,437.79 : x
  2. Step 2: Convert to fraction form
    109,227.03/150,779.76 = 73,437.79/x
  3. Step 3: Cross multiply
    109,227.03x = 150,779.76 × 73,437.79
  4. Step 4: Simplify right side
    109,227.03x = 11,072,931,974.18
  5. Step 5: Solve for x
    x = 11,072,931,974.18/109,227.03
  6. Step 6: Final answer
    x = 101,375.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.