Home / 118,213.09-163,133.47-64,497.94

Finding the Fourth Proportional to 118,213.09, 163,133.47 and 64,497.94

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Solution

The fourth proportional to 118,213.09, 163,133.47 and 64,497.94 is: 89,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,213.09 : 163,133.47 = 64,497.94 : x
  2. Step 2: Convert to fraction form
    118,213.09/163,133.47 = 64,497.94/x
  3. Step 3: Cross multiply
    118,213.09x = 163,133.47 × 64,497.94
  4. Step 4: Simplify right side
    118,213.09x = 10,521,772,760.05
  5. Step 5: Solve for x
    x = 10,521,772,760.05/118,213.09
  6. Step 6: Final answer
    x = 89,006.83

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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.