Home / 140,673.94-194,130.03-77,011.73

Finding the Fourth Proportional to 140,673.94, 194,130.03 and 77,011.73

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Solution

The fourth proportional to 140,673.94, 194,130.03 and 77,011.73 is: 106,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673.94 : 194,130.03 = 77,011.73 : x
  2. Step 2: Convert to fraction form
    140,673.94/194,130.03 = 77,011.73/x
  3. Step 3: Cross multiply
    140,673.94x = 194,130.03 × 77,011.73
  4. Step 4: Simplify right side
    140,673.94x = 14,950,289,070.19
  5. Step 5: Solve for x
    x = 14,950,289,070.19/140,673.94
  6. Step 6: Final answer
    x = 106,276.18

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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.