Home / 115,502.16-173,011.56-92,890.60

Finding the Fourth Proportional to 115,502.16, 173,011.56 and 92,890.60

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Solution

The fourth proportional to 115,502.16, 173,011.56 and 92,890.60 is: 139,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.16 : 173,011.56 = 92,890.60 : x
  2. Step 2: Convert to fraction form
    115,502.16/173,011.56 = 92,890.60/x
  3. Step 3: Cross multiply
    115,502.16x = 173,011.56 × 92,890.60
  4. Step 4: Simplify right side
    115,502.16x = 16,071,147,615.34
  5. Step 5: Solve for x
    x = 16,071,147,615.34/115,502.16
  6. Step 6: Final answer
    x = 139,141.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.