Home / 118,519.71-163,551.47-67,544.39

Finding the Fourth Proportional to 118,519.71, 163,551.47 and 67,544.39

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Solution

The fourth proportional to 118,519.71, 163,551.47 and 67,544.39 is: 93,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,519.71 : 163,551.47 = 67,544.39 : x
  2. Step 2: Convert to fraction form
    118,519.71/163,551.47 = 67,544.39/x
  3. Step 3: Cross multiply
    118,519.71x = 163,551.47 × 67,544.39
  4. Step 4: Simplify right side
    118,519.71x = 11,046,983,119.27
  5. Step 5: Solve for x
    x = 11,046,983,119.27/118,519.71
  6. Step 6: Final answer
    x = 93,207.98

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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.