Home / 118,517.90-163,551.56-70,122.32

Finding the Fourth Proportional to 118,517.90, 163,551.56 and 70,122.32

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Solution

The fourth proportional to 118,517.90, 163,551.56 and 70,122.32 is: 96,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,517.90 : 163,551.56 = 70,122.32 : x
  2. Step 2: Convert to fraction form
    118,517.90/163,551.56 = 70,122.32/x
  3. Step 3: Cross multiply
    118,517.90x = 163,551.56 × 70,122.32
  4. Step 4: Simplify right side
    118,517.90x = 11,468,614,271.77
  5. Step 5: Solve for x
    x = 11,468,614,271.77/118,517.90
  6. Step 6: Final answer
    x = 96,766.94

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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.