Home / 219,780.56-303,246.24-151,857.20

Finding the Fourth Proportional to 219,780.56, 303,246.24 and 151,857.20

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Solution

The fourth proportional to 219,780.56, 303,246.24 and 151,857.20 is: 209,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780.56 : 303,246.24 = 151,857.20 : x
  2. Step 2: Convert to fraction form
    219,780.56/303,246.24 = 151,857.20/x
  3. Step 3: Cross multiply
    219,780.56x = 303,246.24 × 151,857.20
  4. Step 4: Simplify right side
    219,780.56x = 46,050,124,916.93
  5. Step 5: Solve for x
    x = 46,050,124,916.93/219,780.56
  6. Step 6: Final answer
    x = 209,527.74

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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.