Home / 118,126.77-163,008.76-67,132.68

Finding the Fourth Proportional to 118,126.77, 163,008.76 and 67,132.68

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Solution

The fourth proportional to 118,126.77, 163,008.76 and 67,132.68 is: 92,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,126.77 : 163,008.76 = 67,132.68 : x
  2. Step 2: Convert to fraction form
    118,126.77/163,008.76 = 67,132.68/x
  3. Step 3: Cross multiply
    118,126.77x = 163,008.76 × 67,132.68
  4. Step 4: Simplify right side
    118,126.77x = 10,943,214,922.28
  5. Step 5: Solve for x
    x = 10,943,214,922.28/118,126.77
  6. Step 6: Final answer
    x = 92,639.58

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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.