Home / 208,066.56-287,111.04-117,414.40

Finding the Fourth Proportional to 208,066.56, 287,111.04 and 117,414.40

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Solution

The fourth proportional to 208,066.56, 287,111.04 and 117,414.40 is: 162,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,066.56 : 287,111.04 = 117,414.40 : x
  2. Step 2: Convert to fraction form
    208,066.56/287,111.04 = 117,414.40/x
  3. Step 3: Cross multiply
    208,066.56x = 287,111.04 × 117,414.40
  4. Step 4: Simplify right side
    208,066.56x = 33,710,970,494.98
  5. Step 5: Solve for x
    x = 33,710,970,494.98/208,066.56
  6. Step 6: Final answer
    x = 162,020.13

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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.