Home / 140,032.81-193,242.94-76,366.81

Finding the Fourth Proportional to 140,032.81, 193,242.94 and 76,366.81

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Solution

The fourth proportional to 140,032.81, 193,242.94 and 76,366.81 is: 105,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.81 : 193,242.94 = 76,366.81 : x
  2. Step 2: Convert to fraction form
    140,032.81/193,242.94 = 76,366.81/x
  3. Step 3: Cross multiply
    140,032.81x = 193,242.94 × 76,366.81
  4. Step 4: Simplify right side
    140,032.81x = 14,757,346,882.82
  5. Step 5: Solve for x
    x = 14,757,346,882.82/140,032.81
  6. Step 6: Final answer
    x = 105,384.92

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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.