Home / 179,086.94-247,117.55-121,069.94

Finding the Fourth Proportional to 179,086.94, 247,117.55 and 121,069.94

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Solution

The fourth proportional to 179,086.94, 247,117.55 and 121,069.94 is: 167,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,086.94 : 247,117.55 = 121,069.94 : x
  2. Step 2: Convert to fraction form
    179,086.94/247,117.55 = 121,069.94/x
  3. Step 3: Cross multiply
    179,086.94x = 247,117.55 × 121,069.94
  4. Step 4: Simplify right side
    179,086.94x = 29,918,505,110.51
  5. Step 5: Solve for x
    x = 29,918,505,110.51/179,086.94
  6. Step 6: Final answer
    x = 167,061.35

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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.