Home / 163,193.64-225,145.27-120,275.58

Finding the Fourth Proportional to 163,193.64, 225,145.27 and 120,275.58

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Solution

The fourth proportional to 163,193.64, 225,145.27 and 120,275.58 is: 165,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,193.64 : 225,145.27 = 120,275.58 : x
  2. Step 2: Convert to fraction form
    163,193.64/225,145.27 = 120,275.58/x
  3. Step 3: Cross multiply
    163,193.64x = 225,145.27 × 120,275.58
  4. Step 4: Simplify right side
    163,193.64x = 27,079,478,928.15
  5. Step 5: Solve for x
    x = 27,079,478,928.15/163,193.64
  6. Step 6: Final answer
    x = 165,934.65

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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.