Home / 158,154.35-236,969.07-111,308.81

Finding the Fourth Proportional to 158,154.35, 236,969.07 and 111,308.81

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Solution

The fourth proportional to 158,154.35, 236,969.07 and 111,308.81 is: 166,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,154.35 : 236,969.07 = 111,308.81 : x
  2. Step 2: Convert to fraction form
    158,154.35/236,969.07 = 111,308.81/x
  3. Step 3: Cross multiply
    158,154.35x = 236,969.07 × 111,308.81
  4. Step 4: Simplify right side
    158,154.35x = 26,376,744,003.66
  5. Step 5: Solve for x
    x = 26,376,744,003.66/158,154.35
  6. Step 6: Final answer
    x = 166,778.50

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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.