Home / 127,680.14-191,551.22-38,935.22

Finding the Fourth Proportional to 127,680.14, 191,551.22 and 38,935.22

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Solution

The fourth proportional to 127,680.14, 191,551.22 and 38,935.22 is: 58,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680.14 : 191,551.22 = 38,935.22 : x
  2. Step 2: Convert to fraction form
    127,680.14/191,551.22 = 38,935.22/x
  3. Step 3: Cross multiply
    127,680.14x = 191,551.22 × 38,935.22
  4. Step 4: Simplify right side
    127,680.14x = 7,458,088,031.55
  5. Step 5: Solve for x
    x = 7,458,088,031.55/127,680.14
  6. Step 6: Final answer
    x = 58,412.28

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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.