Home / 150,629.84-207,886.92-83,566.16

Finding the Fourth Proportional to 150,629.84, 207,886.92 and 83,566.16

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Solution

The fourth proportional to 150,629.84, 207,886.92 and 83,566.16 is: 115,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629.84 : 207,886.92 = 83,566.16 : x
  2. Step 2: Convert to fraction form
    150,629.84/207,886.92 = 83,566.16/x
  3. Step 3: Cross multiply
    150,629.84x = 207,886.92 × 83,566.16
  4. Step 4: Simplify right side
    150,629.84x = 17,372,311,618.63
  5. Step 5: Solve for x
    x = 17,372,311,618.63/150,629.84
  6. Step 6: Final answer
    x = 115,331.14

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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.