Home / 140,345.40-193,762.46-91,333.72

Finding the Fourth Proportional to 140,345.40, 193,762.46 and 91,333.72

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Solution

The fourth proportional to 140,345.40, 193,762.46 and 91,333.72 is: 126,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,345.40 : 193,762.46 = 91,333.72 : x
  2. Step 2: Convert to fraction form
    140,345.40/193,762.46 = 91,333.72/x
  3. Step 3: Cross multiply
    140,345.40x = 193,762.46 × 91,333.72
  4. Step 4: Simplify right side
    140,345.40x = 17,697,044,842.67
  5. Step 5: Solve for x
    x = 17,697,044,842.67/140,345.40
  6. Step 6: Final answer
    x = 126,096.37

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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.