Home / 140,032.39-193,242.75-76,370.17

Finding the Fourth Proportional to 140,032.39, 193,242.75 and 76,370.17

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Solution

The fourth proportional to 140,032.39, 193,242.75 and 76,370.17 is: 105,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.39 : 193,242.75 = 76,370.17 : x
  2. Step 2: Convert to fraction form
    140,032.39/193,242.75 = 76,370.17/x
  3. Step 3: Cross multiply
    140,032.39x = 193,242.75 × 76,370.17
  4. Step 4: Simplify right side
    140,032.39x = 14,757,981,668.77
  5. Step 5: Solve for x
    x = 14,757,981,668.77/140,032.39
  6. Step 6: Final answer
    x = 105,389.77

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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.