Home / 193,547.74-267,116.82-117,109

Finding the Fourth Proportional to 193,547.74, 267,116.82 and 117,109

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Solution

The fourth proportional to 193,547.74, 267,116.82 and 117,109 is: 161,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547.74 : 267,116.82 = 117,109 : x
  2. Step 2: Convert to fraction form
    193,547.74/267,116.82 = 117,109/x
  3. Step 3: Cross multiply
    193,547.74x = 267,116.82 × 117,109
  4. Step 4: Simplify right side
    193,547.74x = 31,281,783,673.38
  5. Step 5: Solve for x
    x = 31,281,783,673.38/193,547.74
  6. Step 6: Final answer
    x = 161,623.09

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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.