Home / 262,333.17-393,455.73-72,812.79

Finding the Fourth Proportional to 262,333.17, 393,455.73 and 72,812.79

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Solution

The fourth proportional to 262,333.17, 393,455.73 and 72,812.79 is: 109,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,333.17 : 393,455.73 = 72,812.79 : x
  2. Step 2: Convert to fraction form
    262,333.17/393,455.73 = 72,812.79/x
  3. Step 3: Cross multiply
    262,333.17x = 393,455.73 × 72,812.79
  4. Step 4: Simplify right side
    262,333.17x = 28,648,609,715.83
  5. Step 5: Solve for x
    x = 28,648,609,715.83/262,333.17
  6. Step 6: Final answer
    x = 109,206.97

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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.