Home / 208,272.53-287,417.46-112,779.24

Finding the Fourth Proportional to 208,272.53, 287,417.46 and 112,779.24

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Solution

The fourth proportional to 208,272.53, 287,417.46 and 112,779.24 is: 155,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,272.53 : 287,417.46 = 112,779.24 : x
  2. Step 2: Convert to fraction form
    208,272.53/287,417.46 = 112,779.24/x
  3. Step 3: Cross multiply
    208,272.53x = 287,417.46 × 112,779.24
  4. Step 4: Simplify right side
    208,272.53x = 32,414,722,046.64
  5. Step 5: Solve for x
    x = 32,414,722,046.64/208,272.53
  6. Step 6: Final answer
    x = 155,636.09

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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.