Home / 161,766.40-242,584.80-56,531.20

Finding the Fourth Proportional to 161,766.40, 242,584.80 and 56,531.20

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Solution

The fourth proportional to 161,766.40, 242,584.80 and 56,531.20 is: 84,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,766.40 : 242,584.80 = 56,531.20 : x
  2. Step 2: Convert to fraction form
    161,766.40/242,584.80 = 56,531.20/x
  3. Step 3: Cross multiply
    161,766.40x = 242,584.80 × 56,531.20
  4. Step 4: Simplify right side
    161,766.40x = 13,713,609,845.76
  5. Step 5: Solve for x
    x = 13,713,609,845.76/161,766.40
  6. Step 6: Final answer
    x = 84,774.15

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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.