Home / 100,526.08-150,742.68-92,646.40

Finding the Fourth Proportional to 100,526.08, 150,742.68 and 92,646.40

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Solution

The fourth proportional to 100,526.08, 150,742.68 and 92,646.40 is: 138,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,526.08 : 150,742.68 = 92,646.40 : x
  2. Step 2: Convert to fraction form
    100,526.08/150,742.68 = 92,646.40/x
  3. Step 3: Cross multiply
    100,526.08x = 150,742.68 × 92,646.40
  4. Step 4: Simplify right side
    100,526.08x = 13,965,766,628.35
  5. Step 5: Solve for x
    x = 13,965,766,628.35/100,526.08
  6. Step 6: Final answer
    x = 138,926.80

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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.