Home / 123,156.03-169,955.51-66,567.41

Finding the Fourth Proportional to 123,156.03, 169,955.51 and 66,567.41

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Solution

The fourth proportional to 123,156.03, 169,955.51 and 66,567.41 is: 91,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,156.03 : 169,955.51 = 66,567.41 : x
  2. Step 2: Convert to fraction form
    123,156.03/169,955.51 = 66,567.41/x
  3. Step 3: Cross multiply
    123,156.03x = 169,955.51 × 66,567.41
  4. Step 4: Simplify right side
    123,156.03x = 11,313,496,933.31
  5. Step 5: Solve for x
    x = 11,313,496,933.31/123,156.03
  6. Step 6: Final answer
    x = 91,863.12

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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.