Home / 476,784.46-715,098.07-156,940.50

Finding the Fourth Proportional to 476,784.46, 715,098.07 and 156,940.50

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Solution

The fourth proportional to 476,784.46, 715,098.07 and 156,940.50 is: 235,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,784.46 : 715,098.07 = 156,940.50 : x
  2. Step 2: Convert to fraction form
    476,784.46/715,098.07 = 156,940.50/x
  3. Step 3: Cross multiply
    476,784.46x = 715,098.07 × 156,940.50
  4. Step 4: Simplify right side
    476,784.46x = 112,227,848,262.48
  5. Step 5: Solve for x
    x = 112,227,848,262.48/476,784.46
  6. Step 6: Final answer
    x = 235,384.87

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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.