Home / 220,607.32-304,441.14-120,005.32

Finding the Fourth Proportional to 220,607.32, 304,441.14 and 120,005.32

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Solution

The fourth proportional to 220,607.32, 304,441.14 and 120,005.32 is: 165,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,607.32 : 304,441.14 = 120,005.32 : x
  2. Step 2: Convert to fraction form
    220,607.32/304,441.14 = 120,005.32/x
  3. Step 3: Cross multiply
    220,607.32x = 304,441.14 × 120,005.32
  4. Step 4: Simplify right side
    220,607.32x = 36,534,556,426.86
  5. Step 5: Solve for x
    x = 36,534,556,426.86/220,607.32
  6. Step 6: Final answer
    x = 165,608.99

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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.