Home / 146,077.75-201,587.31-79,009.75

Finding the Fourth Proportional to 146,077.75, 201,587.31 and 79,009.75

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Solution

The fourth proportional to 146,077.75, 201,587.31 and 79,009.75 is: 109,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,077.75 : 201,587.31 = 79,009.75 : x
  2. Step 2: Convert to fraction form
    146,077.75/201,587.31 = 79,009.75/x
  3. Step 3: Cross multiply
    146,077.75x = 201,587.31 × 79,009.75
  4. Step 4: Simplify right side
    146,077.75x = 15,927,362,966.27
  5. Step 5: Solve for x
    x = 15,927,362,966.27/146,077.75
  6. Step 6: Final answer
    x = 109,033.46

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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.