Home / 283,686.08-425,527.80-84,007.60

Finding the Fourth Proportional to 283,686.08, 425,527.80 and 84,007.60

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Solution

The fourth proportional to 283,686.08, 425,527.80 and 84,007.60 is: 126,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,686.08 : 425,527.80 = 84,007.60 : x
  2. Step 2: Convert to fraction form
    283,686.08/425,527.80 = 84,007.60/x
  3. Step 3: Cross multiply
    283,686.08x = 425,527.80 × 84,007.60
  4. Step 4: Simplify right side
    283,686.08x = 35,747,569,211.28
  5. Step 5: Solve for x
    x = 35,747,569,211.28/283,686.08
  6. Step 6: Final answer
    x = 126,011.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.