Home / 118,363.48-163,334.98-67,388.66

Finding the Fourth Proportional to 118,363.48, 163,334.98 and 67,388.66

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Solution

The fourth proportional to 118,363.48, 163,334.98 and 67,388.66 is: 92,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,363.48 : 163,334.98 = 67,388.66 : x
  2. Step 2: Convert to fraction form
    118,363.48/163,334.98 = 67,388.66/x
  3. Step 3: Cross multiply
    118,363.48x = 163,334.98 × 67,388.66
  4. Step 4: Simplify right side
    118,363.48x = 11,006,925,313.39
  5. Step 5: Solve for x
    x = 11,006,925,313.39/118,363.48
  6. Step 6: Final answer
    x = 92,992.58

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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.