Home / 148,319.55-204,624.49-109,650.21

Finding the Fourth Proportional to 148,319.55, 204,624.49 and 109,650.21

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Solution

The fourth proportional to 148,319.55, 204,624.49 and 109,650.21 is: 151,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,319.55 : 204,624.49 = 109,650.21 : x
  2. Step 2: Convert to fraction form
    148,319.55/204,624.49 = 109,650.21/x
  3. Step 3: Cross multiply
    148,319.55x = 204,624.49 × 109,650.21
  4. Step 4: Simplify right side
    148,319.55x = 22,437,118,299.64
  5. Step 5: Solve for x
    x = 22,437,118,299.64/148,319.55
  6. Step 6: Final answer
    x = 151,275.53

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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.