Home / 123,668.32-170,533.20-73,357.60

Finding the Fourth Proportional to 123,668.32, 170,533.20 and 73,357.60

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Solution

The fourth proportional to 123,668.32, 170,533.20 and 73,357.60 is: 101,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,668.32 : 170,533.20 = 73,357.60 : x
  2. Step 2: Convert to fraction form
    123,668.32/170,533.20 = 73,357.60/x
  3. Step 3: Cross multiply
    123,668.32x = 170,533.20 × 73,357.60
  4. Step 4: Simplify right side
    123,668.32x = 12,509,906,272.32
  5. Step 5: Solve for x
    x = 12,509,906,272.32/123,668.32
  6. Step 6: Final answer
    x = 101,156.92

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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.