Home / 540,840.54-811,281.06-161,766.21

Finding the Fourth Proportional to 540,840.54, 811,281.06 and 161,766.21

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Solution

The fourth proportional to 540,840.54, 811,281.06 and 161,766.21 is: 242,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,840.54 : 811,281.06 = 161,766.21 : x
  2. Step 2: Convert to fraction form
    540,840.54/811,281.06 = 161,766.21/x
  3. Step 3: Cross multiply
    540,840.54x = 811,281.06 × 161,766.21
  4. Step 4: Simplify right side
    540,840.54x = 131,237,862,320.98
  5. Step 5: Solve for x
    x = 131,237,862,320.98/540,840.54
  6. Step 6: Final answer
    x = 242,655.37

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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.