Home / 118,307.22-163,261.74-67,318.80

Finding the Fourth Proportional to 118,307.22, 163,261.74 and 67,318.80

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Solution

The fourth proportional to 118,307.22, 163,261.74 and 67,318.80 is: 92,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,307.22 : 163,261.74 = 67,318.80 : x
  2. Step 2: Convert to fraction form
    118,307.22/163,261.74 = 67,318.80/x
  3. Step 3: Cross multiply
    118,307.22x = 163,261.74 × 67,318.80
  4. Step 4: Simplify right side
    118,307.22x = 10,990,584,422.71
  5. Step 5: Solve for x
    x = 10,990,584,422.71/118,307.22
  6. Step 6: Final answer
    x = 92,898.68

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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.