Home / 112,526.84-168,643.65-100,611.20

Finding the Fourth Proportional to 112,526.84, 168,643.65 and 100,611.20

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Solution

The fourth proportional to 112,526.84, 168,643.65 and 100,611.20 is: 150,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,526.84 : 168,643.65 = 100,611.20 : x
  2. Step 2: Convert to fraction form
    112,526.84/168,643.65 = 100,611.20/x
  3. Step 3: Cross multiply
    112,526.84x = 168,643.65 × 100,611.20
  4. Step 4: Simplify right side
    112,526.84x = 16,967,439,998.88
  5. Step 5: Solve for x
    x = 16,967,439,998.88/112,526.84
  6. Step 6: Final answer
    x = 150,785.71

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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.