Home / 109,218.05-163,827.14-30,332.27

Finding the Fourth Proportional to 109,218.05, 163,827.14 and 30,332.27

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Solution

The fourth proportional to 109,218.05, 163,827.14 and 30,332.27 is: 45,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.05 : 163,827.14 = 30,332.27 : x
  2. Step 2: Convert to fraction form
    109,218.05/163,827.14 = 30,332.27/x
  3. Step 3: Cross multiply
    109,218.05x = 163,827.14 × 30,332.27
  4. Step 4: Simplify right side
    109,218.05x = 4,969,249,043.81
  5. Step 5: Solve for x
    x = 4,969,249,043.81/109,218.05
  6. Step 6: Final answer
    x = 45,498.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.