Home / 118,786.84-163,928.48-67,798.57

Finding the Fourth Proportional to 118,786.84, 163,928.48 and 67,798.57

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Solution

The fourth proportional to 118,786.84, 163,928.48 and 67,798.57 is: 93,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786.84 : 163,928.48 = 67,798.57 : x
  2. Step 2: Convert to fraction form
    118,786.84/163,928.48 = 67,798.57/x
  3. Step 3: Cross multiply
    118,786.84x = 163,928.48 × 67,798.57
  4. Step 4: Simplify right side
    118,786.84x = 11,114,116,526.27
  5. Step 5: Solve for x
    x = 11,114,116,526.27/118,786.84
  6. Step 6: Final answer
    x = 93,563.53

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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.