Home / 106,007.04-146,177.64-88,999.56

Finding the Fourth Proportional to 106,007.04, 146,177.64 and 88,999.56

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Solution

The fourth proportional to 106,007.04, 146,177.64 and 88,999.56 is: 122,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,007.04 : 146,177.64 = 88,999.56 : x
  2. Step 2: Convert to fraction form
    106,007.04/146,177.64 = 88,999.56/x
  3. Step 3: Cross multiply
    106,007.04x = 146,177.64 × 88,999.56
  4. Step 4: Simplify right side
    106,007.04x = 13,009,745,641.84
  5. Step 5: Solve for x
    x = 13,009,745,641.84/106,007.04
  6. Step 6: Final answer
    x = 122,725.30

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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.