Home / 127,298.01-190,666.61-84,979.87

Finding the Fourth Proportional to 127,298.01, 190,666.61 and 84,979.87

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Solution

The fourth proportional to 127,298.01, 190,666.61 and 84,979.87 is: 127,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.01 : 190,666.61 = 84,979.87 : x
  2. Step 2: Convert to fraction form
    127,298.01/190,666.61 = 84,979.87/x
  3. Step 3: Cross multiply
    127,298.01x = 190,666.61 × 84,979.87
  4. Step 4: Simplify right side
    127,298.01x = 16,202,823,148.25
  5. Step 5: Solve for x
    x = 16,202,823,148.25/127,298.01
  6. Step 6: Final answer
    x = 127,282.61

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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.