Home / 163,535.07-225,614.32-120,617.58

Finding the Fourth Proportional to 163,535.07, 225,614.32 and 120,617.58

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Solution

The fourth proportional to 163,535.07, 225,614.32 and 120,617.58 is: 166,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,535.07 : 225,614.32 = 120,617.58 : x
  2. Step 2: Convert to fraction form
    163,535.07/225,614.32 = 120,617.58/x
  3. Step 3: Cross multiply
    163,535.07x = 225,614.32 × 120,617.58
  4. Step 4: Simplify right side
    163,535.07x = 27,213,052,990.20
  5. Step 5: Solve for x
    x = 27,213,052,990.20/163,535.07
  6. Step 6: Final answer
    x = 166,405.00

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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.