Home / 136,284.66-188,151.08-91,112.18

Finding the Fourth Proportional to 136,284.66, 188,151.08 and 91,112.18

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Solution

The fourth proportional to 136,284.66, 188,151.08 and 91,112.18 is: 125,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,284.66 : 188,151.08 = 91,112.18 : x
  2. Step 2: Convert to fraction form
    136,284.66/188,151.08 = 91,112.18/x
  3. Step 3: Cross multiply
    136,284.66x = 188,151.08 × 91,112.18
  4. Step 4: Simplify right side
    136,284.66x = 17,142,853,671.84
  5. Step 5: Solve for x
    x = 17,142,853,671.84/136,284.66
  6. Step 6: Final answer
    x = 125,787.11

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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.