Home / 127,805.39-191,708.07-39,058.14

Finding the Fourth Proportional to 127,805.39, 191,708.07 and 39,058.14

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Solution

The fourth proportional to 127,805.39, 191,708.07 and 39,058.14 is: 58,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.39 : 191,708.07 = 39,058.14 : x
  2. Step 2: Convert to fraction form
    127,805.39/191,708.07 = 39,058.14/x
  3. Step 3: Cross multiply
    127,805.39x = 191,708.07 × 39,058.14
  4. Step 4: Simplify right side
    127,805.39x = 7,487,760,637.19
  5. Step 5: Solve for x
    x = 7,487,760,637.19/127,805.39
  6. Step 6: Final answer
    x = 58,587.21

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1.5x scale

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.