Home / 125,241.30-172,837.38-71,525.34

Finding the Fourth Proportional to 125,241.30, 172,837.38 and 71,525.34

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Solution

The fourth proportional to 125,241.30, 172,837.38 and 71,525.34 is: 98,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,241.30 : 172,837.38 = 71,525.34 : x
  2. Step 2: Convert to fraction form
    125,241.30/172,837.38 = 71,525.34/x
  3. Step 3: Cross multiply
    125,241.30x = 172,837.38 × 71,525.34
  4. Step 4: Simplify right side
    125,241.30x = 12,362,252,369.21
  5. Step 5: Solve for x
    x = 12,362,252,369.21/125,241.30
  6. Step 6: Final answer
    x = 98,707.47

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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.