Home / 136,628.80-188,622-94,414.24

Finding the Fourth Proportional to 136,628.80, 188,622 and 94,414.24

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Solution

The fourth proportional to 136,628.80, 188,622 and 94,414.24 is: 130,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,628.80 : 188,622 = 94,414.24 : x
  2. Step 2: Convert to fraction form
    136,628.80/188,622 = 94,414.24/x
  3. Step 3: Cross multiply
    136,628.80x = 188,622 × 94,414.24
  4. Step 4: Simplify right side
    136,628.80x = 17,808,602,777.28
  5. Step 5: Solve for x
    x = 17,808,602,777.28/136,628.80
  6. Step 6: Final answer
    x = 130,342.96

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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.