Home / 120,397.36-180,530.28-95,596.72

Finding the Fourth Proportional to 120,397.36, 180,530.28 and 95,596.72

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Solution

The fourth proportional to 120,397.36, 180,530.28 and 95,596.72 is: 143,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,397.36 : 180,530.28 = 95,596.72 : x
  2. Step 2: Convert to fraction form
    120,397.36/180,530.28 = 95,596.72/x
  3. Step 3: Cross multiply
    120,397.36x = 180,530.28 × 95,596.72
  4. Step 4: Simplify right side
    120,397.36x = 17,258,102,628.68
  5. Step 5: Solve for x
    x = 17,258,102,628.68/120,397.36
  6. Step 6: Final answer
    x = 143,342.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.