Home / 118,135.93-163,031.67-67,150.80

Finding the Fourth Proportional to 118,135.93, 163,031.67 and 67,150.80

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Solution

The fourth proportional to 118,135.93, 163,031.67 and 67,150.80 is: 92,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,135.93 : 163,031.67 = 67,150.80 : x
  2. Step 2: Convert to fraction form
    118,135.93/163,031.67 = 67,150.80/x
  3. Step 3: Cross multiply
    118,135.93x = 163,031.67 × 67,150.80
  4. Step 4: Simplify right side
    118,135.93x = 10,947,707,065.84
  5. Step 5: Solve for x
    x = 10,947,707,065.84/118,135.93
  6. Step 6: Final answer
    x = 92,670.43

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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.