Home / 127,044.16-190,498.06-42,776.22

Finding the Fourth Proportional to 127,044.16, 190,498.06 and 42,776.22

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Solution

The fourth proportional to 127,044.16, 190,498.06 and 42,776.22 is: 64,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,044.16 : 190,498.06 = 42,776.22 : x
  2. Step 2: Convert to fraction form
    127,044.16/190,498.06 = 42,776.22/x
  3. Step 3: Cross multiply
    127,044.16x = 190,498.06 × 42,776.22
  4. Step 4: Simplify right side
    127,044.16x = 8,148,786,924.13
  5. Step 5: Solve for x
    x = 8,148,786,924.13/127,044.16
  6. Step 6: Final answer
    x = 64,141.37

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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.