Home / 208,539.20-287,784.48-113,045.60

Finding the Fourth Proportional to 208,539.20, 287,784.48 and 113,045.60

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Solution

The fourth proportional to 208,539.20, 287,784.48 and 113,045.60 is: 156,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,539.20 : 287,784.48 = 113,045.60 : x
  2. Step 2: Convert to fraction form
    208,539.20/287,784.48 = 113,045.60/x
  3. Step 3: Cross multiply
    208,539.20x = 287,784.48 × 113,045.60
  4. Step 4: Simplify right side
    208,539.20x = 32,532,769,212.29
  5. Step 5: Solve for x
    x = 32,532,769,212.29/208,539.20
  6. Step 6: Final answer
    x = 156,003.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.