Home / 355,756.90-533,462.55-197,817.70

Finding the Fourth Proportional to 355,756.90, 533,462.55 and 197,817.70

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Solution

The fourth proportional to 355,756.90, 533,462.55 and 197,817.70 is: 296,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,756.90 : 533,462.55 = 197,817.70 : x
  2. Step 2: Convert to fraction form
    355,756.90/533,462.55 = 197,817.70/x
  3. Step 3: Cross multiply
    355,756.90x = 533,462.55 × 197,817.70
  4. Step 4: Simplify right side
    355,756.90x = 105,528,334,677.14
  5. Step 5: Solve for x
    x = 105,528,334,677.14/355,756.90
  6. Step 6: Final answer
    x = 296,630.47

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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.