Home / 215,520.14-323,307.02-73,354.50

Finding the Fourth Proportional to 215,520.14, 323,307.02 and 73,354.50

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Solution

The fourth proportional to 215,520.14, 323,307.02 and 73,354.50 is: 110,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,520.14 : 323,307.02 = 73,354.50 : x
  2. Step 2: Convert to fraction form
    215,520.14/323,307.02 = 73,354.50/x
  3. Step 3: Cross multiply
    215,520.14x = 323,307.02 × 73,354.50
  4. Step 4: Simplify right side
    215,520.14x = 23,716,024,981.98
  5. Step 5: Solve for x
    x = 23,716,024,981.98/215,520.14
  6. Step 6: Final answer
    x = 110,040.87

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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.