Home / 150,268.96-207,281.04-99,283.36

Finding the Fourth Proportional to 150,268.96, 207,281.04 and 99,283.36

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Solution

The fourth proportional to 150,268.96, 207,281.04 and 99,283.36 is: 136,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,268.96 : 207,281.04 = 99,283.36 : x
  2. Step 2: Convert to fraction form
    150,268.96/207,281.04 = 99,283.36/x
  3. Step 3: Cross multiply
    150,268.96x = 207,281.04 × 99,283.36
  4. Step 4: Simplify right side
    150,268.96x = 20,579,558,115.49
  5. Step 5: Solve for x
    x = 20,579,558,115.49/150,268.96
  6. Step 6: Final answer
    x = 136,951.49

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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.