Home / 118,565.84-163,575.05-73,164.94

Finding the Fourth Proportional to 118,565.84, 163,575.05 and 73,164.94

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Solution

The fourth proportional to 118,565.84, 163,575.05 and 73,164.94 is: 100,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.84 : 163,575.05 = 73,164.94 : x
  2. Step 2: Convert to fraction form
    118,565.84/163,575.05 = 73,164.94/x
  3. Step 3: Cross multiply
    118,565.84x = 163,575.05 × 73,164.94
  4. Step 4: Simplify right side
    118,565.84x = 11,967,957,943.98
  5. Step 5: Solve for x
    x = 11,967,957,943.98/118,565.84
  6. Step 6: Final answer
    x = 100,939.34

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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.