Home / 140,228.42-193,519.26-76,570.38

Finding the Fourth Proportional to 140,228.42, 193,519.26 and 76,570.38

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Solution

The fourth proportional to 140,228.42, 193,519.26 and 76,570.38 is: 105,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228.42 : 193,519.26 = 76,570.38 : x
  2. Step 2: Convert to fraction form
    140,228.42/193,519.26 = 76,570.38/x
  3. Step 3: Cross multiply
    140,228.42x = 193,519.26 × 76,570.38
  4. Step 4: Simplify right side
    140,228.42x = 14,817,843,275.52
  5. Step 5: Solve for x
    x = 14,817,843,275.52/140,228.42
  6. Step 6: Final answer
    x = 105,669.33

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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.