Home / 123,348.36-170,225.22-69,630.12

Finding the Fourth Proportional to 123,348.36, 170,225.22 and 69,630.12

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Solution

The fourth proportional to 123,348.36, 170,225.22 and 69,630.12 is: 96,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,348.36 : 170,225.22 = 69,630.12 : x
  2. Step 2: Convert to fraction form
    123,348.36/170,225.22 = 69,630.12/x
  3. Step 3: Cross multiply
    123,348.36x = 170,225.22 × 69,630.12
  4. Step 4: Simplify right side
    123,348.36x = 11,852,802,495.63
  5. Step 5: Solve for x
    x = 11,852,802,495.63/123,348.36
  6. Step 6: Final answer
    x = 96,092.10

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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.