Home / 227,038.80-313,306.24-135,157.76

Finding the Fourth Proportional to 227,038.80, 313,306.24 and 135,157.76

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Solution

The fourth proportional to 227,038.80, 313,306.24 and 135,157.76 is: 186,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,038.80 : 313,306.24 = 135,157.76 : x
  2. Step 2: Convert to fraction form
    227,038.80/313,306.24 = 135,157.76/x
  3. Step 3: Cross multiply
    227,038.80x = 313,306.24 × 135,157.76
  4. Step 4: Simplify right side
    227,038.80x = 42,345,769,592.42
  5. Step 5: Solve for x
    x = 42,345,769,592.42/227,038.80
  6. Step 6: Final answer
    x = 186,513.36

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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.