Home / 127,298.08-190,897.80-43,035.76

Finding the Fourth Proportional to 127,298.08, 190,897.80 and 43,035.76

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Solution

The fourth proportional to 127,298.08, 190,897.80 and 43,035.76 is: 64,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.08 : 190,897.80 = 43,035.76 : x
  2. Step 2: Convert to fraction form
    127,298.08/190,897.80 = 43,035.76/x
  3. Step 3: Cross multiply
    127,298.08x = 190,897.80 × 43,035.76
  4. Step 4: Simplify right side
    127,298.08x = 8,215,431,905.33
  5. Step 5: Solve for x
    x = 8,215,431,905.33/127,298.08
  6. Step 6: Final answer
    x = 64,536.97

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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.