Home / 118,666.49-163,760.09-64,951.92

Finding the Fourth Proportional to 118,666.49, 163,760.09 and 64,951.92

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Solution

The fourth proportional to 118,666.49, 163,760.09 and 64,951.92 is: 89,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.49 : 163,760.09 = 64,951.92 : x
  2. Step 2: Convert to fraction form
    118,666.49/163,760.09 = 64,951.92/x
  3. Step 3: Cross multiply
    118,666.49x = 163,760.09 × 64,951.92
  4. Step 4: Simplify right side
    118,666.49x = 10,636,531,940.11
  5. Step 5: Solve for x
    x = 10,636,531,940.11/118,666.49
  6. Step 6: Final answer
    x = 89,633.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.