Home / 127,064.03-190,613.66-42,848.33

Finding the Fourth Proportional to 127,064.03, 190,613.66 and 42,848.33

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Solution

The fourth proportional to 127,064.03, 190,613.66 and 42,848.33 is: 64,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.03 : 190,613.66 = 42,848.33 : x
  2. Step 2: Convert to fraction form
    127,064.03/190,613.66 = 42,848.33/x
  3. Step 3: Cross multiply
    127,064.03x = 190,613.66 × 42,848.33
  4. Step 4: Simplify right side
    127,064.03x = 8,167,475,838.88
  5. Step 5: Solve for x
    x = 8,167,475,838.88/127,064.03
  6. Step 6: Final answer
    x = 64,278.43

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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.