Home / 109,666.24-151,339.45-61,922.67

Finding the Fourth Proportional to 109,666.24, 151,339.45 and 61,922.67

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Solution

The fourth proportional to 109,666.24, 151,339.45 and 61,922.67 is: 85,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.24 : 151,339.45 = 61,922.67 : x
  2. Step 2: Convert to fraction form
    109,666.24/151,339.45 = 61,922.67/x
  3. Step 3: Cross multiply
    109,666.24x = 151,339.45 × 61,922.67
  4. Step 4: Simplify right side
    109,666.24x = 9,371,342,820.33
  5. Step 5: Solve for x
    x = 9,371,342,820.33/109,666.24
  6. Step 6: Final answer
    x = 85,453.31

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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.