Home / 123,304.70-170,160.48-66,716.08

Finding the Fourth Proportional to 123,304.70, 170,160.48 and 66,716.08

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Solution

The fourth proportional to 123,304.70, 170,160.48 and 66,716.08 is: 92,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.70 : 170,160.48 = 66,716.08 : x
  2. Step 2: Convert to fraction form
    123,304.70/170,160.48 = 66,716.08/x
  3. Step 3: Cross multiply
    123,304.70x = 170,160.48 × 66,716.08
  4. Step 4: Simplify right side
    123,304.70x = 11,352,440,196.52
  5. Step 5: Solve for x
    x = 11,352,440,196.52/123,304.70
  6. Step 6: Final answer
    x = 92,068.19

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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.