Home / 161,711.90-242,567.85-122,054.30

Finding the Fourth Proportional to 161,711.90, 242,567.85 and 122,054.30

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Solution

The fourth proportional to 161,711.90, 242,567.85 and 122,054.30 is: 183,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.90 : 242,567.85 = 122,054.30 : x
  2. Step 2: Convert to fraction form
    161,711.90/242,567.85 = 122,054.30/x
  3. Step 3: Cross multiply
    161,711.90x = 242,567.85 × 122,054.30
  4. Step 4: Simplify right side
    161,711.90x = 29,606,449,134.26
  5. Step 5: Solve for x
    x = 29,606,449,134.26/161,711.90
  6. Step 6: Final answer
    x = 183,081.45

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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.