Home / 140,237.66-193,527.96-76,575.51

Finding the Fourth Proportional to 140,237.66, 193,527.96 and 76,575.51

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Solution

The fourth proportional to 140,237.66, 193,527.96 and 76,575.51 is: 105,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.66 : 193,527.96 = 76,575.51 : x
  2. Step 2: Convert to fraction form
    140,237.66/193,527.96 = 76,575.51/x
  3. Step 3: Cross multiply
    140,237.66x = 193,527.96 × 76,575.51
  4. Step 4: Simplify right side
    140,237.66x = 14,819,502,236.26
  5. Step 5: Solve for x
    x = 14,819,502,236.26/140,237.66
  6. Step 6: Final answer
    x = 105,674.20

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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.