Home / 208,588.03-287,770.07-136,076.17

Finding the Fourth Proportional to 208,588.03, 287,770.07 and 136,076.17

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Solution

The fourth proportional to 208,588.03, 287,770.07 and 136,076.17 is: 187,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,588.03 : 287,770.07 = 136,076.17 : x
  2. Step 2: Convert to fraction form
    208,588.03/287,770.07 = 136,076.17/x
  3. Step 3: Cross multiply
    208,588.03x = 287,770.07 × 136,076.17
  4. Step 4: Simplify right side
    208,588.03x = 39,158,648,008.21
  5. Step 5: Solve for x
    x = 39,158,648,008.21/208,588.03
  6. Step 6: Final answer
    x = 187,732.00

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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.