Home / 125,193.69-172,767.37-68,605.06

Finding the Fourth Proportional to 125,193.69, 172,767.37 and 68,605.06

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Solution

The fourth proportional to 125,193.69, 172,767.37 and 68,605.06 is: 94,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,193.69 : 172,767.37 = 68,605.06 : x
  2. Step 2: Convert to fraction form
    125,193.69/172,767.37 = 68,605.06/x
  3. Step 3: Cross multiply
    125,193.69x = 172,767.37 × 68,605.06
  4. Step 4: Simplify right side
    125,193.69x = 11,852,715,784.89
  5. Step 5: Solve for x
    x = 11,852,715,784.89/125,193.69
  6. Step 6: Final answer
    x = 94,675.03

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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.