Home / 355,849.20-533,773.80-145,437.93

Finding the Fourth Proportional to 355,849.20, 533,773.80 and 145,437.93

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Solution

The fourth proportional to 355,849.20, 533,773.80 and 145,437.93 is: 218,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,849.20 : 533,773.80 = 145,437.93 : x
  2. Step 2: Convert to fraction form
    355,849.20/533,773.80 = 145,437.93/x
  3. Step 3: Cross multiply
    355,849.20x = 533,773.80 × 145,437.93
  4. Step 4: Simplify right side
    355,849.20x = 77,630,956,560.23
  5. Step 5: Solve for x
    x = 77,630,956,560.23/355,849.20
  6. Step 6: Final answer
    x = 218,156.90

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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.