Home / 208,330.83-287,514.23-117,703.44

Finding the Fourth Proportional to 208,330.83, 287,514.23 and 117,703.44

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Solution

The fourth proportional to 208,330.83, 287,514.23 and 117,703.44 is: 162,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.83 : 287,514.23 = 117,703.44 : x
  2. Step 2: Convert to fraction form
    208,330.83/287,514.23 = 117,703.44/x
  3. Step 3: Cross multiply
    208,330.83x = 287,514.23 × 117,703.44
  4. Step 4: Simplify right side
    208,330.83x = 33,841,413,331.43
  5. Step 5: Solve for x
    x = 33,841,413,331.43/208,330.83
  6. Step 6: Final answer
    x = 162,440.74

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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.