Home / 127,842.29-176,383.27-74,116.58

Finding the Fourth Proportional to 127,842.29, 176,383.27 and 74,116.58

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Solution

The fourth proportional to 127,842.29, 176,383.27 and 74,116.58 is: 102,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,842.29 : 176,383.27 = 74,116.58 : x
  2. Step 2: Convert to fraction form
    127,842.29/176,383.27 = 74,116.58/x
  3. Step 3: Cross multiply
    127,842.29x = 176,383.27 × 74,116.58
  4. Step 4: Simplify right side
    127,842.29x = 13,072,924,997.28
  5. Step 5: Solve for x
    x = 13,072,924,997.28/127,842.29
  6. Step 6: Final answer
    x = 102,258.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.