Home / 288,261.64-432,658.26-146,206.60

Finding the Fourth Proportional to 288,261.64, 432,658.26 and 146,206.60

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Solution

The fourth proportional to 288,261.64, 432,658.26 and 146,206.60 is: 219,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,261.64 : 432,658.26 = 146,206.60 : x
  2. Step 2: Convert to fraction form
    288,261.64/432,658.26 = 146,206.60/x
  3. Step 3: Cross multiply
    288,261.64x = 432,658.26 × 146,206.60
  4. Step 4: Simplify right side
    288,261.64x = 63,257,493,156.52
  5. Step 5: Solve for x
    x = 63,257,493,156.52/288,261.64
  6. Step 6: Final answer
    x = 219,444.71

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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.