Home / 190,941.80-286,218.30-112,015.40

Finding the Fourth Proportional to 190,941.80, 286,218.30 and 112,015.40

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Solution

The fourth proportional to 190,941.80, 286,218.30 and 112,015.40 is: 167,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,941.80 : 286,218.30 = 112,015.40 : x
  2. Step 2: Convert to fraction form
    190,941.80/286,218.30 = 112,015.40/x
  3. Step 3: Cross multiply
    190,941.80x = 286,218.30 × 112,015.40
  4. Step 4: Simplify right side
    190,941.80x = 32,060,857,361.82
  5. Step 5: Solve for x
    x = 32,060,857,361.82/190,941.80
  6. Step 6: Final answer
    x = 167,909.06

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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.