Home / 218,852.16-302,015.84-118,249.92

Finding the Fourth Proportional to 218,852.16, 302,015.84 and 118,249.92

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Solution

The fourth proportional to 218,852.16, 302,015.84 and 118,249.92 is: 163,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,852.16 : 302,015.84 = 118,249.92 : x
  2. Step 2: Convert to fraction form
    218,852.16/302,015.84 = 118,249.92/x
  3. Step 3: Cross multiply
    218,852.16x = 302,015.84 × 118,249.92
  4. Step 4: Simplify right side
    218,852.16x = 35,713,348,918.73
  5. Step 5: Solve for x
    x = 35,713,348,918.73/218,852.16
  6. Step 6: Final answer
    x = 163,184.81

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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.