Home / 127,873.40-176,466.06-74,190.38

Finding the Fourth Proportional to 127,873.40, 176,466.06 and 74,190.38

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Solution

The fourth proportional to 127,873.40, 176,466.06 and 74,190.38 is: 102,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,873.40 : 176,466.06 = 74,190.38 : x
  2. Step 2: Convert to fraction form
    127,873.40/176,466.06 = 74,190.38/x
  3. Step 3: Cross multiply
    127,873.40x = 176,466.06 × 74,190.38
  4. Step 4: Simplify right side
    127,873.40x = 13,092,084,211.45
  5. Step 5: Solve for x
    x = 13,092,084,211.45/127,873.40
  6. Step 6: Final answer
    x = 102,383.17

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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.