Home / 127,361.10-175,749.78-69,999.18

Finding the Fourth Proportional to 127,361.10, 175,749.78 and 69,999.18

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Solution

The fourth proportional to 127,361.10, 175,749.78 and 69,999.18 is: 96,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,361.10 : 175,749.78 = 69,999.18 : x
  2. Step 2: Convert to fraction form
    127,361.10/175,749.78 = 69,999.18/x
  3. Step 3: Cross multiply
    127,361.10x = 175,749.78 × 69,999.18
  4. Step 4: Simplify right side
    127,361.10x = 12,302,340,485.18
  5. Step 5: Solve for x
    x = 12,302,340,485.18/127,361.10
  6. Step 6: Final answer
    x = 96,594.18

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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.