Home / 123,440.68-170,347.98-66,852.28

Finding the Fourth Proportional to 123,440.68, 170,347.98 and 66,852.28

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Solution

The fourth proportional to 123,440.68, 170,347.98 and 66,852.28 is: 92,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,440.68 : 170,347.98 = 66,852.28 : x
  2. Step 2: Convert to fraction form
    123,440.68/170,347.98 = 66,852.28/x
  3. Step 3: Cross multiply
    123,440.68x = 170,347.98 × 66,852.28
  4. Step 4: Simplify right side
    123,440.68x = 11,388,150,856.39
  5. Step 5: Solve for x
    x = 11,388,150,856.39/123,440.68
  6. Step 6: Final answer
    x = 92,256.06

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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.