Home / 118,725.45-163,841.04-65,010.42

Finding the Fourth Proportional to 118,725.45, 163,841.04 and 65,010.42

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Solution

The fourth proportional to 118,725.45, 163,841.04 and 65,010.42 is: 89,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.45 : 163,841.04 = 65,010.42 : x
  2. Step 2: Convert to fraction form
    118,725.45/163,841.04 = 65,010.42/x
  3. Step 3: Cross multiply
    118,725.45x = 163,841.04 × 65,010.42
  4. Step 4: Simplify right side
    118,725.45x = 10,651,374,823.64
  5. Step 5: Solve for x
    x = 10,651,374,823.64/118,725.45
  6. Step 6: Final answer
    x = 89,714.34

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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.