Home / 114,263.28-157,519-80,166.12

Finding the Fourth Proportional to 114,263.28, 157,519 and 80,166.12

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Solution

The fourth proportional to 114,263.28, 157,519 and 80,166.12 is: 110,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,263.28 : 157,519 = 80,166.12 : x
  2. Step 2: Convert to fraction form
    114,263.28/157,519 = 80,166.12/x
  3. Step 3: Cross multiply
    114,263.28x = 157,519 × 80,166.12
  4. Step 4: Simplify right side
    114,263.28x = 12,627,687,056.28
  5. Step 5: Solve for x
    x = 12,627,687,056.28/114,263.28
  6. Step 6: Final answer
    x = 110,513.96

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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.