Home / 140,337.99-193,669.04-76,674.42

Finding the Fourth Proportional to 140,337.99, 193,669.04 and 76,674.42

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Solution

The fourth proportional to 140,337.99, 193,669.04 and 76,674.42 is: 105,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,337.99 : 193,669.04 = 76,674.42 : x
  2. Step 2: Convert to fraction form
    140,337.99/193,669.04 = 76,674.42/x
  3. Step 3: Cross multiply
    140,337.99x = 193,669.04 × 76,674.42
  4. Step 4: Simplify right side
    140,337.99x = 14,849,461,505.64
  5. Step 5: Solve for x
    x = 14,849,461,505.64/140,337.99
  6. Step 6: Final answer
    x = 105,812.13

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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.