Home / 208,225.94-287,351.40-112,732.62

Finding the Fourth Proportional to 208,225.94, 287,351.40 and 112,732.62

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Solution

The fourth proportional to 208,225.94, 287,351.40 and 112,732.62 is: 155,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,225.94 : 287,351.40 = 112,732.62 : x
  2. Step 2: Convert to fraction form
    208,225.94/287,351.40 = 112,732.62/x
  3. Step 3: Cross multiply
    208,225.94x = 287,351.40 × 112,732.62
  4. Step 4: Simplify right side
    208,225.94x = 32,393,876,182.67
  5. Step 5: Solve for x
    x = 32,393,876,182.67/208,225.94
  6. Step 6: Final answer
    x = 155,570.80

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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.