Home / 127,699.18-176,224.87-74,015.34

Finding the Fourth Proportional to 127,699.18, 176,224.87 and 74,015.34

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Solution

The fourth proportional to 127,699.18, 176,224.87 and 74,015.34 is: 102,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.18 : 176,224.87 = 74,015.34 : x
  2. Step 2: Convert to fraction form
    127,699.18/176,224.87 = 74,015.34/x
  3. Step 3: Cross multiply
    127,699.18x = 176,224.87 × 74,015.34
  4. Step 4: Simplify right side
    127,699.18x = 13,043,342,945.06
  5. Step 5: Solve for x
    x = 13,043,342,945.06/127,699.18
  6. Step 6: Final answer
    x = 102,141.16

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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.