Home / 270,840.32-406,011.66-93,305.12

Finding the Fourth Proportional to 270,840.32, 406,011.66 and 93,305.12

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Solution

The fourth proportional to 270,840.32, 406,011.66 and 93,305.12 is: 139,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,840.32 : 406,011.66 = 93,305.12 : x
  2. Step 2: Convert to fraction form
    270,840.32/406,011.66 = 93,305.12/x
  3. Step 3: Cross multiply
    270,840.32x = 406,011.66 × 93,305.12
  4. Step 4: Simplify right side
    270,840.32x = 37,882,966,657.70
  5. Step 5: Solve for x
    x = 37,882,966,657.70/270,840.32
  6. Step 6: Final answer
    x = 139,871.96

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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.