Home / 118,253.16-163,249.56-91,335.24

Finding the Fourth Proportional to 118,253.16, 163,249.56 and 91,335.24

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Solution

The fourth proportional to 118,253.16, 163,249.56 and 91,335.24 is: 126,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253.16 : 163,249.56 = 91,335.24 : x
  2. Step 2: Convert to fraction form
    118,253.16/163,249.56 = 91,335.24/x
  3. Step 3: Cross multiply
    118,253.16x = 163,249.56 × 91,335.24
  4. Step 4: Simplify right side
    118,253.16x = 14,910,437,742.49
  5. Step 5: Solve for x
    x = 14,910,437,742.49/118,253.16
  6. Step 6: Final answer
    x = 126,089.13

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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.