Home / 125,191.02-172,759.59-68,601.18

Finding the Fourth Proportional to 125,191.02, 172,759.59 and 68,601.18

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Solution

The fourth proportional to 125,191.02, 172,759.59 and 68,601.18 is: 94,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191.02 : 172,759.59 = 68,601.18 : x
  2. Step 2: Convert to fraction form
    125,191.02/172,759.59 = 68,601.18/x
  3. Step 3: Cross multiply
    125,191.02x = 172,759.59 × 68,601.18
  4. Step 4: Simplify right side
    125,191.02x = 11,851,511,730.32
  5. Step 5: Solve for x
    x = 11,851,511,730.32/125,191.02
  6. Step 6: Final answer
    x = 94,667.43

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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.