Home / 103,041.20-154,561.80-94,511.90

Finding the Fourth Proportional to 103,041.20, 154,561.80 and 94,511.90

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Solution

The fourth proportional to 103,041.20, 154,561.80 and 94,511.90 is: 141,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,041.20 : 154,561.80 = 94,511.90 : x
  2. Step 2: Convert to fraction form
    103,041.20/154,561.80 = 94,511.90/x
  3. Step 3: Cross multiply
    103,041.20x = 154,561.80 × 94,511.90
  4. Step 4: Simplify right side
    103,041.20x = 14,607,929,385.42
  5. Step 5: Solve for x
    x = 14,607,929,385.42/103,041.20
  6. Step 6: Final answer
    x = 141,767.85

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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.