Home / 118,399.92-163,421.69-76,032.27

Finding the Fourth Proportional to 118,399.92, 163,421.69 and 76,032.27

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Solution

The fourth proportional to 118,399.92, 163,421.69 and 76,032.27 is: 104,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,399.92 : 163,421.69 = 76,032.27 : x
  2. Step 2: Convert to fraction form
    118,399.92/163,421.69 = 76,032.27/x
  3. Step 3: Cross multiply
    118,399.92x = 163,421.69 × 76,032.27
  4. Step 4: Simplify right side
    118,399.92x = 12,425,320,860.67
  5. Step 5: Solve for x
    x = 12,425,320,860.67/118,399.92
  6. Step 6: Final answer
    x = 104,943.66

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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.