Home / 208,582.23-287,845.47-113,089.17

Finding the Fourth Proportional to 208,582.23, 287,845.47 and 113,089.17

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Solution

The fourth proportional to 208,582.23, 287,845.47 and 113,089.17 is: 156,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,582.23 : 287,845.47 = 113,089.17 : x
  2. Step 2: Convert to fraction form
    208,582.23/287,845.47 = 113,089.17/x
  3. Step 3: Cross multiply
    208,582.23x = 287,845.47 × 113,089.17
  4. Step 4: Simplify right side
    208,582.23x = 32,552,205,290.56
  5. Step 5: Solve for x
    x = 32,552,205,290.56/208,582.23
  6. Step 6: Final answer
    x = 156,064.13

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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.