Home / 140,238.12-193,527.18-86,501.64

Finding the Fourth Proportional to 140,238.12, 193,527.18 and 86,501.64

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Solution

The fourth proportional to 140,238.12, 193,527.18 and 86,501.64 is: 119,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,238.12 : 193,527.18 = 86,501.64 : x
  2. Step 2: Convert to fraction form
    140,238.12/193,527.18 = 86,501.64/x
  3. Step 3: Cross multiply
    140,238.12x = 193,527.18 × 86,501.64
  4. Step 4: Simplify right side
    140,238.12x = 16,740,418,454.58
  5. Step 5: Solve for x
    x = 16,740,418,454.58/140,238.12
  6. Step 6: Final answer
    x = 119,371.38

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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.