Home / 118,269.23-163,227.16-67,272.11

Finding the Fourth Proportional to 118,269.23, 163,227.16 and 67,272.11

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Solution

The fourth proportional to 118,269.23, 163,227.16 and 67,272.11 is: 92,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.23 : 163,227.16 = 67,272.11 : x
  2. Step 2: Convert to fraction form
    118,269.23/163,227.16 = 67,272.11/x
  3. Step 3: Cross multiply
    118,269.23x = 163,227.16 × 67,272.11
  4. Step 4: Simplify right side
    118,269.23x = 10,980,635,342.56
  5. Step 5: Solve for x
    x = 10,980,635,342.56/118,269.23
  6. Step 6: Final answer
    x = 92,844.40

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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.